Home / 18,229.47-27,333.42-7,123.29

Finding the Fourth Proportional to 18,229.47, 27,333.42 and 7,123.29

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Solution

The fourth proportional to 18,229.47, 27,333.42 and 7,123.29 is: 10,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.47 : 27,333.42 = 7,123.29 : x
  2. Step 2: Convert to fraction form
    18,229.47/27,333.42 = 7,123.29/x
  3. Step 3: Cross multiply
    18,229.47x = 27,333.42 × 7,123.29
  4. Step 4: Simplify right side
    18,229.47x = 194,703,877.35
  5. Step 5: Solve for x
    x = 194,703,877.35/18,229.47
  6. Step 6: Final answer
    x = 10,680.72

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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.