Home / 13,614.34-20,425.61-4,253.98

Finding the Fourth Proportional to 13,614.34, 20,425.61 and 4,253.98

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Solution

The fourth proportional to 13,614.34, 20,425.61 and 4,253.98 is: 6,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.34 : 20,425.61 = 4,253.98 : x
  2. Step 2: Convert to fraction form
    13,614.34/20,425.61 = 4,253.98/x
  3. Step 3: Cross multiply
    13,614.34x = 20,425.61 × 4,253.98
  4. Step 4: Simplify right side
    13,614.34x = 86,890,136.43
  5. Step 5: Solve for x
    x = 86,890,136.43/13,614.34
  6. Step 6: Final answer
    x = 6,382.25

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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.