Home / 11,101.03-16,659.77-5,257.66

Finding the Fourth Proportional to 11,101.03, 16,659.77 and 5,257.66

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Solution

The fourth proportional to 11,101.03, 16,659.77 and 5,257.66 is: 7,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.03 : 16,659.77 = 5,257.66 : x
  2. Step 2: Convert to fraction form
    11,101.03/16,659.77 = 5,257.66/x
  3. Step 3: Cross multiply
    11,101.03x = 16,659.77 × 5,257.66
  4. Step 4: Simplify right side
    11,101.03x = 87,591,406.34
  5. Step 5: Solve for x
    x = 87,591,406.34/11,101.03
  6. Step 6: Final answer
    x = 7,890.39

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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.