Home / 15,110.40-22,665.60-9,545.70

Finding the Fourth Proportional to 15,110.40, 22,665.60 and 9,545.70

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Solution

The fourth proportional to 15,110.40, 22,665.60 and 9,545.70 is: 14,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.40 : 22,665.60 = 9,545.70 : x
  2. Step 2: Convert to fraction form
    15,110.40/22,665.60 = 9,545.70/x
  3. Step 3: Cross multiply
    15,110.40x = 22,665.60 × 9,545.70
  4. Step 4: Simplify right side
    15,110.40x = 216,359,017.92
  5. Step 5: Solve for x
    x = 216,359,017.92/15,110.40
  6. Step 6: Final answer
    x = 14,318.55

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1.5x scale

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.