Home / 18,195.40-27,249.26-10,380.52

Finding the Fourth Proportional to 18,195.40, 27,249.26 and 10,380.52

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Solution

The fourth proportional to 18,195.40, 27,249.26 and 10,380.52 is: 15,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.40 : 27,249.26 = 10,380.52 : x
  2. Step 2: Convert to fraction form
    18,195.40/27,249.26 = 10,380.52/x
  3. Step 3: Cross multiply
    18,195.40x = 27,249.26 × 10,380.52
  4. Step 4: Simplify right side
    18,195.40x = 282,861,488.42
  5. Step 5: Solve for x
    x = 282,861,488.42/18,195.40
  6. Step 6: Final answer
    x = 15,545.77

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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.