Home / 18,545.14-27,821.19-7,452.70

Finding the Fourth Proportional to 18,545.14, 27,821.19 and 7,452.70

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Solution

The fourth proportional to 18,545.14, 27,821.19 and 7,452.70 is: 11,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.14 : 27,821.19 = 7,452.70 : x
  2. Step 2: Convert to fraction form
    18,545.14/27,821.19 = 7,452.70/x
  3. Step 3: Cross multiply
    18,545.14x = 27,821.19 × 7,452.70
  4. Step 4: Simplify right side
    18,545.14x = 207,342,982.71
  5. Step 5: Solve for x
    x = 207,342,982.71/18,545.14
  6. Step 6: Final answer
    x = 11,180.45

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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.