Home / 16,929.92-25,387.85-6,398.12

Finding the Fourth Proportional to 16,929.92, 25,387.85 and 6,398.12

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Solution

The fourth proportional to 16,929.92, 25,387.85 and 6,398.12 is: 9,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.92 : 25,387.85 = 6,398.12 : x
  2. Step 2: Convert to fraction form
    16,929.92/25,387.85 = 6,398.12/x
  3. Step 3: Cross multiply
    16,929.92x = 25,387.85 × 6,398.12
  4. Step 4: Simplify right side
    16,929.92x = 162,434,351.91
  5. Step 5: Solve for x
    x = 162,434,351.91/16,929.92
  6. Step 6: Final answer
    x = 9,594.52

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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.