Home / 11,766.80-17,650.60-3,869.44

Finding the Fourth Proportional to 11,766.80, 17,650.60 and 3,869.44

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Solution

The fourth proportional to 11,766.80, 17,650.60 and 3,869.44 is: 5,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.80 : 17,650.60 = 3,869.44 : x
  2. Step 2: Convert to fraction form
    11,766.80/17,650.60 = 3,869.44/x
  3. Step 3: Cross multiply
    11,766.80x = 17,650.60 × 3,869.44
  4. Step 4: Simplify right side
    11,766.80x = 68,297,937.66
  5. Step 5: Solve for x
    x = 68,297,937.66/11,766.80
  6. Step 6: Final answer
    x = 5,804.29

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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.