Home / 11,554.78-17,334.31-3,659.29

Finding the Fourth Proportional to 11,554.78, 17,334.31 and 3,659.29

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Solution

The fourth proportional to 11,554.78, 17,334.31 and 3,659.29 is: 5,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.78 : 17,334.31 = 3,659.29 : x
  2. Step 2: Convert to fraction form
    11,554.78/17,334.31 = 3,659.29/x
  3. Step 3: Cross multiply
    11,554.78x = 17,334.31 × 3,659.29
  4. Step 4: Simplify right side
    11,554.78x = 63,431,248.94
  5. Step 5: Solve for x
    x = 63,431,248.94/11,554.78
  6. Step 6: Final answer
    x = 5,489.61

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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.