Home / 10,161.08-15,241.92-3,591.80

Finding the Fourth Proportional to 10,161.08, 15,241.92 and 3,591.80

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Solution

The fourth proportional to 10,161.08, 15,241.92 and 3,591.80 is: 5,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.08 : 15,241.92 = 3,591.80 : x
  2. Step 2: Convert to fraction form
    10,161.08/15,241.92 = 3,591.80/x
  3. Step 3: Cross multiply
    10,161.08x = 15,241.92 × 3,591.80
  4. Step 4: Simplify right side
    10,161.08x = 54,745,928.26
  5. Step 5: Solve for x
    x = 54,745,928.26/10,161.08
  6. Step 6: Final answer
    x = 5,387.81

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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.