Home / 18,092.87-27,143.71-9,186.31

Finding the Fourth Proportional to 18,092.87, 27,143.71 and 9,186.31

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Solution

The fourth proportional to 18,092.87, 27,143.71 and 9,186.31 is: 13,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.87 : 27,143.71 = 9,186.31 : x
  2. Step 2: Convert to fraction form
    18,092.87/27,143.71 = 9,186.31/x
  3. Step 3: Cross multiply
    18,092.87x = 27,143.71 × 9,186.31
  4. Step 4: Simplify right side
    18,092.87x = 249,350,545.57
  5. Step 5: Solve for x
    x = 249,350,545.57/18,092.87
  6. Step 6: Final answer
    x = 13,781.70

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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.