Home / 10,363.66-15,545.68-3,789.84

Finding the Fourth Proportional to 10,363.66, 15,545.68 and 3,789.84

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Solution

The fourth proportional to 10,363.66, 15,545.68 and 3,789.84 is: 5,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.66 : 15,545.68 = 3,789.84 : x
  2. Step 2: Convert to fraction form
    10,363.66/15,545.68 = 3,789.84/x
  3. Step 3: Cross multiply
    10,363.66x = 15,545.68 × 3,789.84
  4. Step 4: Simplify right side
    10,363.66x = 58,915,639.89
  5. Step 5: Solve for x
    x = 58,915,639.89/10,363.66
  6. Step 6: Final answer
    x = 5,684.83

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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.