Home / 18,545.46-27,818.19-4,505.40

Finding the Fourth Proportional to 18,545.46, 27,818.19 and 4,505.40

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Solution

The fourth proportional to 18,545.46, 27,818.19 and 4,505.40 is: 6,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.46 : 27,818.19 = 4,505.40 : x
  2. Step 2: Convert to fraction form
    18,545.46/27,818.19 = 4,505.40/x
  3. Step 3: Cross multiply
    18,545.46x = 27,818.19 × 4,505.40
  4. Step 4: Simplify right side
    18,545.46x = 125,332,073.23
  5. Step 5: Solve for x
    x = 125,332,073.23/18,545.46
  6. Step 6: Final answer
    x = 6,758.10

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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.