Find the 4th proportional to 5, 10 and 12.
Answer & explanation
Correct answer: option 2
5 : 10 :: 12 : x,
The fourth proportion x,
⇒ 5x = 10 x 12
⇒ 5x = 120,
⇒ x = 24.
Find the 4th proportional to 5, 10 and 12.
Correct answer: option 2
5 : 10 :: 12 : x,
The fourth proportion x,
⇒ 5x = 10 x 12
⇒ 5x = 120,
⇒ x = 24.