Home / 13,381.25-20,073.02-4,020.62

Finding the Fourth Proportional to 13,381.25, 20,073.02 and 4,020.62

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Solution

The fourth proportional to 13,381.25, 20,073.02 and 4,020.62 is: 6,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.25 : 20,073.02 = 4,020.62 : x
  2. Step 2: Convert to fraction form
    13,381.25/20,073.02 = 4,020.62/x
  3. Step 3: Cross multiply
    13,381.25x = 20,073.02 × 4,020.62
  4. Step 4: Simplify right side
    13,381.25x = 80,705,865.20
  5. Step 5: Solve for x
    x = 80,705,865.20/13,381.25
  6. Step 6: Final answer
    x = 6,031.27

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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.