Home / 10,161.09-15,243.75-3,591.99

Finding the Fourth Proportional to 10,161.09, 15,243.75 and 3,591.99

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Solution

The fourth proportional to 10,161.09, 15,243.75 and 3,591.99 is: 5,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.09 : 15,243.75 = 3,591.99 : x
  2. Step 2: Convert to fraction form
    10,161.09/15,243.75 = 3,591.99/x
  3. Step 3: Cross multiply
    10,161.09x = 15,243.75 × 3,591.99
  4. Step 4: Simplify right side
    10,161.09x = 54,755,397.56
  5. Step 5: Solve for x
    x = 54,755,397.56/10,161.09
  6. Step 6: Final answer
    x = 5,388.73

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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.