Home / 11,545.14-15,932.32-6,239.98

Finding the Fourth Proportional to 11,545.14, 15,932.32 and 6,239.98

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Solution

The fourth proportional to 11,545.14, 15,932.32 and 6,239.98 is: 8,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.14 : 15,932.32 = 6,239.98 : x
  2. Step 2: Convert to fraction form
    11,545.14/15,932.32 = 6,239.98/x
  3. Step 3: Cross multiply
    11,545.14x = 15,932.32 × 6,239.98
  4. Step 4: Simplify right side
    11,545.14x = 99,417,358.15
  5. Step 5: Solve for x
    x = 99,417,358.15/11,545.14
  6. Step 6: Final answer
    x = 8,611.19

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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.