Home / 18,144.90-27,227.84-7,613.97

Finding the Fourth Proportional to 18,144.90, 27,227.84 and 7,613.97

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Solution

The fourth proportional to 18,144.90, 27,227.84 and 7,613.97 is: 11,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.90 : 27,227.84 = 7,613.97 : x
  2. Step 2: Convert to fraction form
    18,144.90/27,227.84 = 7,613.97/x
  3. Step 3: Cross multiply
    18,144.90x = 27,227.84 × 7,613.97
  4. Step 4: Simplify right side
    18,144.90x = 207,311,918.85
  5. Step 5: Solve for x
    x = 207,311,918.85/18,144.90
  6. Step 6: Final answer
    x = 11,425.35

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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.