Home / 11,003.03-16,506.36-5,456.55

Finding the Fourth Proportional to 11,003.03, 16,506.36 and 5,456.55

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Solution

The fourth proportional to 11,003.03, 16,506.36 and 5,456.55 is: 8,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.03 : 16,506.36 = 5,456.55 : x
  2. Step 2: Convert to fraction form
    11,003.03/16,506.36 = 5,456.55/x
  3. Step 3: Cross multiply
    11,003.03x = 16,506.36 × 5,456.55
  4. Step 4: Simplify right side
    11,003.03x = 90,067,778.66
  5. Step 5: Solve for x
    x = 90,067,778.66/11,003.03
  6. Step 6: Final answer
    x = 8,185.73

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1.5x scale

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.