Home / 13,761.18-20,641.77-3,372.93

Finding the Fourth Proportional to 13,761.18, 20,641.77 and 3,372.93

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Solution

The fourth proportional to 13,761.18, 20,641.77 and 3,372.93 is: 5,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.18 : 20,641.77 = 3,372.93 : x
  2. Step 2: Convert to fraction form
    13,761.18/20,641.77 = 3,372.93/x
  3. Step 3: Cross multiply
    13,761.18x = 20,641.77 × 3,372.93
  4. Step 4: Simplify right side
    13,761.18x = 69,623,245.29
  5. Step 5: Solve for x
    x = 69,623,245.29/13,761.18
  6. Step 6: Final answer
    x = 5,059.40

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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.