Home / 18,131.44-27,191.88-7,601.18

Finding the Fourth Proportional to 18,131.44, 27,191.88 and 7,601.18

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Solution

The fourth proportional to 18,131.44, 27,191.88 and 7,601.18 is: 11,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.44 : 27,191.88 = 7,601.18 : x
  2. Step 2: Convert to fraction form
    18,131.44/27,191.88 = 7,601.18/x
  3. Step 3: Cross multiply
    18,131.44x = 27,191.88 × 7,601.18
  4. Step 4: Simplify right side
    18,131.44x = 206,690,374.42
  5. Step 5: Solve for x
    x = 206,690,374.42/18,131.44
  6. Step 6: Final answer
    x = 11,399.56

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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.