Home / 15,718.97-23,571.16-9,147.04

Finding the Fourth Proportional to 15,718.97, 23,571.16 and 9,147.04

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Solution

The fourth proportional to 15,718.97, 23,571.16 and 9,147.04 is: 13,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.97 : 23,571.16 = 9,147.04 : x
  2. Step 2: Convert to fraction form
    15,718.97/23,571.16 = 9,147.04/x
  3. Step 3: Cross multiply
    15,718.97x = 23,571.16 × 9,147.04
  4. Step 4: Simplify right side
    15,718.97x = 215,606,343.37
  5. Step 5: Solve for x
    x = 215,606,343.37/15,718.97
  6. Step 6: Final answer
    x = 13,716.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.