Home / 18,545.59-27,825.50-11,155.29

Finding the Fourth Proportional to 18,545.59, 27,825.50 and 11,155.29

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Solution

The fourth proportional to 18,545.59, 27,825.50 and 11,155.29 is: 16,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.59 : 27,825.50 = 11,155.29 : x
  2. Step 2: Convert to fraction form
    18,545.59/27,825.50 = 11,155.29/x
  3. Step 3: Cross multiply
    18,545.59x = 27,825.50 × 11,155.29
  4. Step 4: Simplify right side
    18,545.59x = 310,401,521.90
  5. Step 5: Solve for x
    x = 310,401,521.90/18,545.59
  6. Step 6: Final answer
    x = 16,737.21

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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.