Home / 11,517.66-17,277.12-4,939.38

Finding the Fourth Proportional to 11,517.66, 17,277.12 and 4,939.38

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Solution

The fourth proportional to 11,517.66, 17,277.12 and 4,939.38 is: 7,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.66 : 17,277.12 = 4,939.38 : x
  2. Step 2: Convert to fraction form
    11,517.66/17,277.12 = 4,939.38/x
  3. Step 3: Cross multiply
    11,517.66x = 17,277.12 × 4,939.38
  4. Step 4: Simplify right side
    11,517.66x = 85,338,260.99
  5. Step 5: Solve for x
    x = 85,338,260.99/11,517.66
  6. Step 6: Final answer
    x = 7,409.34

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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.