Home / 15,718.32-23,538.60-9,857.16

Finding the Fourth Proportional to 15,718.32, 23,538.60 and 9,857.16

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Solution

The fourth proportional to 15,718.32, 23,538.60 and 9,857.16 is: 14,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.32 : 23,538.60 = 9,857.16 : x
  2. Step 2: Convert to fraction form
    15,718.32/23,538.60 = 9,857.16/x
  3. Step 3: Cross multiply
    15,718.32x = 23,538.60 × 9,857.16
  4. Step 4: Simplify right side
    15,718.32x = 232,023,746.38
  5. Step 5: Solve for x
    x = 232,023,746.38/15,718.32
  6. Step 6: Final answer
    x = 14,761.36

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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.