Home / 18,190.44-27,294.17-9,420.57

Finding the Fourth Proportional to 18,190.44, 27,294.17 and 9,420.57

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Solution

The fourth proportional to 18,190.44, 27,294.17 and 9,420.57 is: 14,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.44 : 27,294.17 = 9,420.57 : x
  2. Step 2: Convert to fraction form
    18,190.44/27,294.17 = 9,420.57/x
  3. Step 3: Cross multiply
    18,190.44x = 27,294.17 × 9,420.57
  4. Step 4: Simplify right side
    18,190.44x = 257,126,591.97
  5. Step 5: Solve for x
    x = 257,126,591.97/18,190.44
  6. Step 6: Final answer
    x = 14,135.26

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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.