Home / 18,132.28-27,191.16-5,648.20

Finding the Fourth Proportional to 18,132.28, 27,191.16 and 5,648.20

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Solution

The fourth proportional to 18,132.28, 27,191.16 and 5,648.20 is: 8,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.28 : 27,191.16 = 5,648.20 : x
  2. Step 2: Convert to fraction form
    18,132.28/27,191.16 = 5,648.20/x
  3. Step 3: Cross multiply
    18,132.28x = 27,191.16 × 5,648.20
  4. Step 4: Simplify right side
    18,132.28x = 153,581,109.91
  5. Step 5: Solve for x
    x = 153,581,109.91/18,132.28
  6. Step 6: Final answer
    x = 8,470.04

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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.