Home / 18,363.33-27,545.18-7,272.72

Finding the Fourth Proportional to 18,363.33, 27,545.18 and 7,272.72

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Solution

The fourth proportional to 18,363.33, 27,545.18 and 7,272.72 is: 10,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.33 : 27,545.18 = 7,272.72 : x
  2. Step 2: Convert to fraction form
    18,363.33/27,545.18 = 7,272.72/x
  3. Step 3: Cross multiply
    18,363.33x = 27,545.18 × 7,272.72
  4. Step 4: Simplify right side
    18,363.33x = 200,328,345.13
  5. Step 5: Solve for x
    x = 200,328,345.13/18,363.33
  6. Step 6: Final answer
    x = 10,909.15

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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.