Home / 11,519.38-17,281.38-3,623.89

Finding the Fourth Proportional to 11,519.38, 17,281.38 and 3,623.89

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Solution

The fourth proportional to 11,519.38, 17,281.38 and 3,623.89 is: 5,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.38 : 17,281.38 = 3,623.89 : x
  2. Step 2: Convert to fraction form
    11,519.38/17,281.38 = 3,623.89/x
  3. Step 3: Cross multiply
    11,519.38x = 17,281.38 × 3,623.89
  4. Step 4: Simplify right side
    11,519.38x = 62,625,782.45
  5. Step 5: Solve for x
    x = 62,625,782.45/11,519.38
  6. Step 6: Final answer
    x = 5,436.56

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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.