Home / 11,925.38-17,891.64-3,605.66

Finding the Fourth Proportional to 11,925.38, 17,891.64 and 3,605.66

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Solution

The fourth proportional to 11,925.38, 17,891.64 and 3,605.66 is: 5,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.38 : 17,891.64 = 3,605.66 : x
  2. Step 2: Convert to fraction form
    11,925.38/17,891.64 = 3,605.66/x
  3. Step 3: Cross multiply
    11,925.38x = 17,891.64 × 3,605.66
  4. Step 4: Simplify right side
    11,925.38x = 64,511,170.68
  5. Step 5: Solve for x
    x = 64,511,170.68/11,925.38
  6. Step 6: Final answer
    x = 5,409.57

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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.