Home / 13,425.17-20,140.89-4,065.26

Finding the Fourth Proportional to 13,425.17, 20,140.89 and 4,065.26

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Solution

The fourth proportional to 13,425.17, 20,140.89 and 4,065.26 is: 6,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.17 : 20,140.89 = 4,065.26 : x
  2. Step 2: Convert to fraction form
    13,425.17/20,140.89 = 4,065.26/x
  3. Step 3: Cross multiply
    13,425.17x = 20,140.89 × 4,065.26
  4. Step 4: Simplify right side
    13,425.17x = 81,877,853.78
  5. Step 5: Solve for x
    x = 81,877,853.78/13,425.17
  6. Step 6: Final answer
    x = 6,098.83

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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.