Home / 11,181.92-16,774.65-3,786.80

Finding the Fourth Proportional to 11,181.92, 16,774.65 and 3,786.80

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Solution

The fourth proportional to 11,181.92, 16,774.65 and 3,786.80 is: 5,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.92 : 16,774.65 = 3,786.80 : x
  2. Step 2: Convert to fraction form
    11,181.92/16,774.65 = 3,786.80/x
  3. Step 3: Cross multiply
    11,181.92x = 16,774.65 × 3,786.80
  4. Step 4: Simplify right side
    11,181.92x = 63,522,160.75
  5. Step 5: Solve for x
    x = 63,522,160.75/11,181.92
  6. Step 6: Final answer
    x = 5,680.79

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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.