Home / 18,024.39-27,039.15-5,545.45

Finding the Fourth Proportional to 18,024.39, 27,039.15 and 5,545.45

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Solution

The fourth proportional to 18,024.39, 27,039.15 and 5,545.45 is: 8,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.39 : 27,039.15 = 5,545.45 : x
  2. Step 2: Convert to fraction form
    18,024.39/27,039.15 = 5,545.45/x
  3. Step 3: Cross multiply
    18,024.39x = 27,039.15 × 5,545.45
  4. Step 4: Simplify right side
    18,024.39x = 149,944,254.37
  5. Step 5: Solve for x
    x = 149,944,254.37/18,024.39
  6. Step 6: Final answer
    x = 8,318.96

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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.