Home / 13,761.60-20,642.38-3,373.26

Finding the Fourth Proportional to 13,761.60, 20,642.38 and 3,373.26

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Solution

The fourth proportional to 13,761.60, 20,642.38 and 3,373.26 is: 5,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.60 : 20,642.38 = 3,373.26 : x
  2. Step 2: Convert to fraction form
    13,761.60/20,642.38 = 3,373.26/x
  3. Step 3: Cross multiply
    13,761.60x = 20,642.38 × 3,373.26
  4. Step 4: Simplify right side
    13,761.60x = 69,632,114.76
  5. Step 5: Solve for x
    x = 69,632,114.76/13,761.60
  6. Step 6: Final answer
    x = 5,059.89

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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.