Home / 13,614.67-20,414.35-4,725.87

Finding the Fourth Proportional to 13,614.67, 20,414.35 and 4,725.87

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Solution

The fourth proportional to 13,614.67, 20,414.35 and 4,725.87 is: 7,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.67 : 20,414.35 = 4,725.87 : x
  2. Step 2: Convert to fraction form
    13,614.67/20,414.35 = 4,725.87/x
  3. Step 3: Cross multiply
    13,614.67x = 20,414.35 × 4,725.87
  4. Step 4: Simplify right side
    13,614.67x = 96,475,564.23
  5. Step 5: Solve for x
    x = 96,475,564.23/13,614.67
  6. Step 6: Final answer
    x = 7,086.15

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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.