Home / 12,364.14-18,545.99-3,930.61

Finding the Fourth Proportional to 12,364.14, 18,545.99 and 3,930.61

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Solution

The fourth proportional to 12,364.14, 18,545.99 and 3,930.61 is: 5,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.14 : 18,545.99 = 3,930.61 : x
  2. Step 2: Convert to fraction form
    12,364.14/18,545.99 = 3,930.61/x
  3. Step 3: Cross multiply
    12,364.14x = 18,545.99 × 3,930.61
  4. Step 4: Simplify right side
    12,364.14x = 72,896,961.02
  5. Step 5: Solve for x
    x = 72,896,961.02/12,364.14
  6. Step 6: Final answer
    x = 5,895.84

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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.