Home / 11,129.67-16,697.07-3,338.64

Finding the Fourth Proportional to 11,129.67, 16,697.07 and 3,338.64

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Solution

The fourth proportional to 11,129.67, 16,697.07 and 3,338.64 is: 5,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.67 : 16,697.07 = 3,338.64 : x
  2. Step 2: Convert to fraction form
    11,129.67/16,697.07 = 3,338.64/x
  3. Step 3: Cross multiply
    11,129.67x = 16,697.07 × 3,338.64
  4. Step 4: Simplify right side
    11,129.67x = 55,745,505.78
  5. Step 5: Solve for x
    x = 55,745,505.78/11,129.67
  6. Step 6: Final answer
    x = 5,008.73

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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.