Home / 13,769.26-20,654.09-3,908.56

Finding the Fourth Proportional to 13,769.26, 20,654.09 and 3,908.56

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Solution

The fourth proportional to 13,769.26, 20,654.09 and 3,908.56 is: 5,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.26 : 20,654.09 = 3,908.56 : x
  2. Step 2: Convert to fraction form
    13,769.26/20,654.09 = 3,908.56/x
  3. Step 3: Cross multiply
    13,769.26x = 20,654.09 × 3,908.56
  4. Step 4: Simplify right side
    13,769.26x = 80,727,750.01
  5. Step 5: Solve for x
    x = 80,727,750.01/13,769.26
  6. Step 6: Final answer
    x = 5,862.90

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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.