Home / 16,613.40-24,920.10-15,115.80

Finding the Fourth Proportional to 16,613.40, 24,920.10 and 15,115.80

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Solution

The fourth proportional to 16,613.40, 24,920.10 and 15,115.80 is: 22,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.40 : 24,920.10 = 15,115.80 : x
  2. Step 2: Convert to fraction form
    16,613.40/24,920.10 = 15,115.80/x
  3. Step 3: Cross multiply
    16,613.40x = 24,920.10 × 15,115.80
  4. Step 4: Simplify right side
    16,613.40x = 376,687,247.58
  5. Step 5: Solve for x
    x = 376,687,247.58/16,613.40
  6. Step 6: Final answer
    x = 22,673.70

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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.