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The fourth proportional of 4, 6, 10 is...

The fourth proportional of 4, 6, 10 is

A

10

B

15

C

20

D

22

Text Solution

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The correct Answer is:
B
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(a) The fourth-proportional of 8, 10 and 12 is _________ . (b) The value of p when a/sqrt3 = b/sqrt5 = c/sqrt7 = (sqrt(3a) + sqrt(5b) - sqrt(7c))/p is ______ .

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Knowledge Check

  • The fourth proportional of 3, 4 and 6 is

    A
    8
    B
    10
    C
    12
    D
    24

  • The fourth proportional of x - y , x^(2) - y^(2) " and " x^(2) - xy + y^(2) is

    A
    ` x + y`
    B
    ` x - y`
    C
    ` x^(3) + y^(3)`
    D
    ` x^(3) - y^(3)`.

  • what is the fourth proportion of 2,6 and 8 ?

    A
    48
    B
    12
    C
    16
    D
    24

    • Similar Questions

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    Find whether the sets of numbers are in continued proportion, and write the proportionality: 4, 6, 12

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    Construct the mean-proportional of 4 cm, 3 cm and also find the value of the mean-proportional.

    Construct the mean-proportional of 10 cm, 4 cm and also find the value of the mean-proportional.

    The mean-proportional of 4 and 9 is

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