Home / 18,220.31-27,330.47-5,073.03

Finding the Fourth Proportional to 18,220.31, 27,330.47 and 5,073.03

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Solution

The fourth proportional to 18,220.31, 27,330.47 and 5,073.03 is: 7,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.31 : 27,330.47 = 5,073.03 : x
  2. Step 2: Convert to fraction form
    18,220.31/27,330.47 = 5,073.03/x
  3. Step 3: Cross multiply
    18,220.31x = 27,330.47 × 5,073.03
  4. Step 4: Simplify right side
    18,220.31x = 138,648,306.91
  5. Step 5: Solve for x
    x = 138,648,306.91/18,220.31
  6. Step 6: Final answer
    x = 7,609.55

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Similar ratio
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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.