Home / 13,865.47-20,796.25-4,505.61

Finding the Fourth Proportional to 13,865.47, 20,796.25 and 4,505.61

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Solution

The fourth proportional to 13,865.47, 20,796.25 and 4,505.61 is: 6,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.47 : 20,796.25 = 4,505.61 : x
  2. Step 2: Convert to fraction form
    13,865.47/20,796.25 = 4,505.61/x
  3. Step 3: Cross multiply
    13,865.47x = 20,796.25 × 4,505.61
  4. Step 4: Simplify right side
    13,865.47x = 93,699,791.96
  5. Step 5: Solve for x
    x = 93,699,791.96/13,865.47
  6. Step 6: Final answer
    x = 6,757.78

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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.