Home / 11,183.66-16,775.99-7,911.38

Finding the Fourth Proportional to 11,183.66, 16,775.99 and 7,911.38

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Solution

The fourth proportional to 11,183.66, 16,775.99 and 7,911.38 is: 11,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.66 : 16,775.99 = 7,911.38 : x
  2. Step 2: Convert to fraction form
    11,183.66/16,775.99 = 7,911.38/x
  3. Step 3: Cross multiply
    11,183.66x = 16,775.99 × 7,911.38
  4. Step 4: Simplify right side
    11,183.66x = 132,721,167.66
  5. Step 5: Solve for x
    x = 132,721,167.66/11,183.66
  6. Step 6: Final answer
    x = 11,867.42

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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.