Home / 11,455.89-17,180.19-3,662.88

Finding the Fourth Proportional to 11,455.89, 17,180.19 and 3,662.88

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Solution

The fourth proportional to 11,455.89, 17,180.19 and 3,662.88 is: 5,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.89 : 17,180.19 = 3,662.88 : x
  2. Step 2: Convert to fraction form
    11,455.89/17,180.19 = 3,662.88/x
  3. Step 3: Cross multiply
    11,455.89x = 17,180.19 × 3,662.88
  4. Step 4: Simplify right side
    11,455.89x = 62,928,974.35
  5. Step 5: Solve for x
    x = 62,928,974.35/11,455.89
  6. Step 6: Final answer
    x = 5,493.15

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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.