Home / 11,086.20-16,629.60-2,766.16

Finding the Fourth Proportional to 11,086.20, 16,629.60 and 2,766.16

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Solution

The fourth proportional to 11,086.20, 16,629.60 and 2,766.16 is: 4,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.20 : 16,629.60 = 2,766.16 : x
  2. Step 2: Convert to fraction form
    11,086.20/16,629.60 = 2,766.16/x
  3. Step 3: Cross multiply
    11,086.20x = 16,629.60 × 2,766.16
  4. Step 4: Simplify right side
    11,086.20x = 46,000,134.34
  5. Step 5: Solve for x
    x = 46,000,134.34/11,086.20
  6. Step 6: Final answer
    x = 4,149.31

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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.