Home / 15,399.32-23,098.97-3,712.53

Finding the Fourth Proportional to 15,399.32, 23,098.97 and 3,712.53

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Solution

The fourth proportional to 15,399.32, 23,098.97 and 3,712.53 is: 5,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.32 : 23,098.97 = 3,712.53 : x
  2. Step 2: Convert to fraction form
    15,399.32/23,098.97 = 3,712.53/x
  3. Step 3: Cross multiply
    15,399.32x = 23,098.97 × 3,712.53
  4. Step 4: Simplify right side
    15,399.32x = 85,755,600.53
  5. Step 5: Solve for x
    x = 85,755,600.53/15,399.32
  6. Step 6: Final answer
    x = 5,568.79

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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.