Home / 11,865.83-17,798.14-3,545.92

Finding the Fourth Proportional to 11,865.83, 17,798.14 and 3,545.92

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Solution

The fourth proportional to 11,865.83, 17,798.14 and 3,545.92 is: 5,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.83 : 17,798.14 = 3,545.92 : x
  2. Step 2: Convert to fraction form
    11,865.83/17,798.14 = 3,545.92/x
  3. Step 3: Cross multiply
    11,865.83x = 17,798.14 × 3,545.92
  4. Step 4: Simplify right side
    11,865.83x = 63,110,740.53
  5. Step 5: Solve for x
    x = 63,110,740.53/11,865.83
  6. Step 6: Final answer
    x = 5,318.69

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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.