Home / 11,182.64-16,778.75-3,787.88

Finding the Fourth Proportional to 11,182.64, 16,778.75 and 3,787.88

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Solution

The fourth proportional to 11,182.64, 16,778.75 and 3,787.88 is: 5,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.64 : 16,778.75 = 3,787.88 : x
  2. Step 2: Convert to fraction form
    11,182.64/16,778.75 = 3,787.88/x
  3. Step 3: Cross multiply
    11,182.64x = 16,778.75 × 3,787.88
  4. Step 4: Simplify right side
    11,182.64x = 63,555,891.55
  5. Step 5: Solve for x
    x = 63,555,891.55/11,182.64
  6. Step 6: Final answer
    x = 5,683.44

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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.