Home / 18,227.20-27,345.56-5,747.64

Finding the Fourth Proportional to 18,227.20, 27,345.56 and 5,747.64

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Solution

The fourth proportional to 18,227.20, 27,345.56 and 5,747.64 is: 8,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.20 : 27,345.56 = 5,747.64 : x
  2. Step 2: Convert to fraction form
    18,227.20/27,345.56 = 5,747.64/x
  3. Step 3: Cross multiply
    18,227.20x = 27,345.56 × 5,747.64
  4. Step 4: Simplify right side
    18,227.20x = 157,172,434.48
  5. Step 5: Solve for x
    x = 157,172,434.48/18,227.20
  6. Step 6: Final answer
    x = 8,622.96

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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.