Home / 11,104.85-16,649.03-6,721.26

Finding the Fourth Proportional to 11,104.85, 16,649.03 and 6,721.26

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Solution

The fourth proportional to 11,104.85, 16,649.03 and 6,721.26 is: 10,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.85 : 16,649.03 = 6,721.26 : x
  2. Step 2: Convert to fraction form
    11,104.85/16,649.03 = 6,721.26/x
  3. Step 3: Cross multiply
    11,104.85x = 16,649.03 × 6,721.26
  4. Step 4: Simplify right side
    11,104.85x = 111,902,425.77
  5. Step 5: Solve for x
    x = 111,902,425.77/11,104.85
  6. Step 6: Final answer
    x = 10,076.90

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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.