Home / 11,545.27-15,932.45-6,240.07

Finding the Fourth Proportional to 11,545.27, 15,932.45 and 6,240.07

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Solution

The fourth proportional to 11,545.27, 15,932.45 and 6,240.07 is: 8,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.27 : 15,932.45 = 6,240.07 : x
  2. Step 2: Convert to fraction form
    11,545.27/15,932.45 = 6,240.07/x
  3. Step 3: Cross multiply
    11,545.27x = 15,932.45 × 6,240.07
  4. Step 4: Simplify right side
    11,545.27x = 99,419,591.99
  5. Step 5: Solve for x
    x = 99,419,591.99/11,545.27
  6. Step 6: Final answer
    x = 8,611.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.