Home / 18,262.30-27,391.33-5,115.73

Finding the Fourth Proportional to 18,262.30, 27,391.33 and 5,115.73

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Solution

The fourth proportional to 18,262.30, 27,391.33 and 5,115.73 is: 7,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.30 : 27,391.33 = 5,115.73 : x
  2. Step 2: Convert to fraction form
    18,262.30/27,391.33 = 5,115.73/x
  3. Step 3: Cross multiply
    18,262.30x = 27,391.33 × 5,115.73
  4. Step 4: Simplify right side
    18,262.30x = 140,126,648.62
  5. Step 5: Solve for x
    x = 140,126,648.62/18,262.30
  6. Step 6: Final answer
    x = 7,673.00

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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.