Home / 11,179.16-16,758.30-3,778.44

Finding the Fourth Proportional to 11,179.16, 16,758.30 and 3,778.44

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Solution

The fourth proportional to 11,179.16, 16,758.30 and 3,778.44 is: 5,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.16 : 16,758.30 = 3,778.44 : x
  2. Step 2: Convert to fraction form
    11,179.16/16,758.30 = 3,778.44/x
  3. Step 3: Cross multiply
    11,179.16x = 16,758.30 × 3,778.44
  4. Step 4: Simplify right side
    11,179.16x = 63,320,231.05
  5. Step 5: Solve for x
    x = 63,320,231.05/11,179.16
  6. Step 6: Final answer
    x = 5,664.13

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1.5x scale

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.