Question

find the fourth proportional
2\1, 5\7, 14\15​

Answer 1

let fourth proportional be m

2:5/7::14/15:m

now,

2*m=5/7*14/15

2*m 4/21

m=4/21*2

m=2/21

.:m=2/21(fourth proportional)

Step-by-step explanation:

I hope it helps you.