Home / 13,404.28-20,102.00-4,517.21

Finding the Fourth Proportional to 13,404.28, 20,102.00 and 4,517.21

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Solution

The fourth proportional to 13,404.28, 20,102.00 and 4,517.21 is: 6,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.28 : 20,102.00 = 4,517.21 : x
  2. Step 2: Convert to fraction form
    13,404.28/20,102.00 = 4,517.21/x
  3. Step 3: Cross multiply
    13,404.28x = 20,102.00 × 4,517.21
  4. Step 4: Simplify right side
    13,404.28x = 90,805,016.97
  5. Step 5: Solve for x
    x = 90,805,016.97/13,404.28
  6. Step 6: Final answer
    x = 6,774.33

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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.