Home / 11,176.89-16,767.15-3,781.80

Finding the Fourth Proportional to 11,176.89, 16,767.15 and 3,781.80

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Solution

The fourth proportional to 11,176.89, 16,767.15 and 3,781.80 is: 5,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.89 : 16,767.15 = 3,781.80 : x
  2. Step 2: Convert to fraction form
    11,176.89/16,767.15 = 3,781.80/x
  3. Step 3: Cross multiply
    11,176.89x = 16,767.15 × 3,781.80
  4. Step 4: Simplify right side
    11,176.89x = 63,410,007.87
  5. Step 5: Solve for x
    x = 63,410,007.87/11,176.89
  6. Step 6: Final answer
    x = 5,673.31

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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.