Home / 11,761.26-17,644.32-3,969.88

Finding the Fourth Proportional to 11,761.26, 17,644.32 and 3,969.88

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Solution

The fourth proportional to 11,761.26, 17,644.32 and 3,969.88 is: 5,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.26 : 17,644.32 = 3,969.88 : x
  2. Step 2: Convert to fraction form
    11,761.26/17,644.32 = 3,969.88/x
  3. Step 3: Cross multiply
    11,761.26x = 17,644.32 × 3,969.88
  4. Step 4: Simplify right side
    11,761.26x = 70,045,833.08
  5. Step 5: Solve for x
    x = 70,045,833.08/11,761.26
  6. Step 6: Final answer
    x = 5,955.64

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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.