Home / 11,766.60-17,638.92-3,969.96

Finding the Fourth Proportional to 11,766.60, 17,638.92 and 3,969.96

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Solution

The fourth proportional to 11,766.60, 17,638.92 and 3,969.96 is: 5,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.60 : 17,638.92 = 3,969.96 : x
  2. Step 2: Convert to fraction form
    11,766.60/17,638.92 = 3,969.96/x
  3. Step 3: Cross multiply
    11,766.60x = 17,638.92 × 3,969.96
  4. Step 4: Simplify right side
    11,766.60x = 70,025,806.84
  5. Step 5: Solve for x
    x = 70,025,806.84/11,766.60
  6. Step 6: Final answer
    x = 5,951.24

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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.