Home / 15,177.73-22,766.32-5,815.21

Finding the Fourth Proportional to 15,177.73, 22,766.32 and 5,815.21

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Solution

The fourth proportional to 15,177.73, 22,766.32 and 5,815.21 is: 8,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.73 : 22,766.32 = 5,815.21 : x
  2. Step 2: Convert to fraction form
    15,177.73/22,766.32 = 5,815.21/x
  3. Step 3: Cross multiply
    15,177.73x = 22,766.32 × 5,815.21
  4. Step 4: Simplify right side
    15,177.73x = 132,390,931.73
  5. Step 5: Solve for x
    x = 132,390,931.73/15,177.73
  6. Step 6: Final answer
    x = 8,722.71

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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.