If 14 : 30 :: 7 : x, then what is the value of x?
Answer & explanation
Correct answer: option 1
If d is the fourth proportional, then
d = \(\frac{b\; \times\; c}{a}\)
x = \(\frac{30\; \times\; 7}{14}\)
= 15
If 14 : 30 :: 7 : x, then what is the value of x?
Correct answer: option 1
If d is the fourth proportional, then
d = \(\frac{b\; \times\; c}{a}\)
x = \(\frac{30\; \times\; 7}{14}\)
= 15