Home / 16,387.74-24,569.01-8,481.78

Finding the Fourth Proportional to 16,387.74, 24,569.01 and 8,481.78

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Solution

The fourth proportional to 16,387.74, 24,569.01 and 8,481.78 is: 12,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.74 : 24,569.01 = 8,481.78 : x
  2. Step 2: Convert to fraction form
    16,387.74/24,569.01 = 8,481.78/x
  3. Step 3: Cross multiply
    16,387.74x = 24,569.01 × 8,481.78
  4. Step 4: Simplify right side
    16,387.74x = 208,388,937.64
  5. Step 5: Solve for x
    x = 208,388,937.64/16,387.74
  6. Step 6: Final answer
    x = 12,716.15

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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.