Home / 18,132.34-27,191.12-5,648.18

Finding the Fourth Proportional to 18,132.34, 27,191.12 and 5,648.18

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Solution

The fourth proportional to 18,132.34, 27,191.12 and 5,648.18 is: 8,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.34 : 27,191.12 = 5,648.18 : x
  2. Step 2: Convert to fraction form
    18,132.34/27,191.12 = 5,648.18/x
  3. Step 3: Cross multiply
    18,132.34x = 27,191.12 × 5,648.18
  4. Step 4: Simplify right side
    18,132.34x = 153,580,340.16
  5. Step 5: Solve for x
    x = 153,580,340.16/18,132.34
  6. Step 6: Final answer
    x = 8,469.97

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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.