Home / 11,108.80-16,659.15-5,560.30

Finding the Fourth Proportional to 11,108.80, 16,659.15 and 5,560.30

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Solution

The fourth proportional to 11,108.80, 16,659.15 and 5,560.30 is: 8,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.80 : 16,659.15 = 5,560.30 : x
  2. Step 2: Convert to fraction form
    11,108.80/16,659.15 = 5,560.30/x
  3. Step 3: Cross multiply
    11,108.80x = 16,659.15 × 5,560.30
  4. Step 4: Simplify right side
    11,108.80x = 92,629,871.75
  5. Step 5: Solve for x
    x = 92,629,871.75/11,108.80
  6. Step 6: Final answer
    x = 8,338.42

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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.