Home / 18,350.62-27,517.25-7,111.22

Finding the Fourth Proportional to 18,350.62, 27,517.25 and 7,111.22

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Solution

The fourth proportional to 18,350.62, 27,517.25 and 7,111.22 is: 10,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.62 : 27,517.25 = 7,111.22 : x
  2. Step 2: Convert to fraction form
    18,350.62/27,517.25 = 7,111.22/x
  3. Step 3: Cross multiply
    18,350.62x = 27,517.25 × 7,111.22
  4. Step 4: Simplify right side
    18,350.62x = 195,681,218.55
  5. Step 5: Solve for x
    x = 195,681,218.55/18,350.62
  6. Step 6: Final answer
    x = 10,663.47

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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.