Home / 11,545.52-15,932.78-6,240.32

Finding the Fourth Proportional to 11,545.52, 15,932.78 and 6,240.32

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Solution

The fourth proportional to 11,545.52, 15,932.78 and 6,240.32 is: 8,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.52 : 15,932.78 = 6,240.32 : x
  2. Step 2: Convert to fraction form
    11,545.52/15,932.78 = 6,240.32/x
  3. Step 3: Cross multiply
    11,545.52x = 15,932.78 × 6,240.32
  4. Step 4: Simplify right side
    11,545.52x = 99,425,645.69
  5. Step 5: Solve for x
    x = 99,425,645.69/11,545.52
  6. Step 6: Final answer
    x = 8,611.62

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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.