Home / 13,932.67-20,898.94-3,402.75

Finding the Fourth Proportional to 13,932.67, 20,898.94 and 3,402.75

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Solution

The fourth proportional to 13,932.67, 20,898.94 and 3,402.75 is: 5,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.67 : 20,898.94 = 3,402.75 : x
  2. Step 2: Convert to fraction form
    13,932.67/20,898.94 = 3,402.75/x
  3. Step 3: Cross multiply
    13,932.67x = 20,898.94 × 3,402.75
  4. Step 4: Simplify right side
    13,932.67x = 71,113,868.09
  5. Step 5: Solve for x
    x = 71,113,868.09/13,932.67
  6. Step 6: Final answer
    x = 5,104.11

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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.