Home / 13,484.25-20,229.66-4,250.25

Finding the Fourth Proportional to 13,484.25, 20,229.66 and 4,250.25

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Solution

The fourth proportional to 13,484.25, 20,229.66 and 4,250.25 is: 6,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.25 : 20,229.66 = 4,250.25 : x
  2. Step 2: Convert to fraction form
    13,484.25/20,229.66 = 4,250.25/x
  3. Step 3: Cross multiply
    13,484.25x = 20,229.66 × 4,250.25
  4. Step 4: Simplify right side
    13,484.25x = 85,981,112.42
  5. Step 5: Solve for x
    x = 85,981,112.42/13,484.25
  6. Step 6: Final answer
    x = 6,376.41

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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.