Home / 13,761.34-20,642.07-3,373.09

Finding the Fourth Proportional to 13,761.34, 20,642.07 and 3,373.09

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Solution

The fourth proportional to 13,761.34, 20,642.07 and 3,373.09 is: 5,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.34 : 20,642.07 = 3,373.09 : x
  2. Step 2: Convert to fraction form
    13,761.34/20,642.07 = 3,373.09/x
  3. Step 3: Cross multiply
    13,761.34x = 20,642.07 × 3,373.09
  4. Step 4: Simplify right side
    13,761.34x = 69,627,559.90
  5. Step 5: Solve for x
    x = 69,627,559.90/13,761.34
  6. Step 6: Final answer
    x = 5,059.65

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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.