Home / 11,241.20-16,872.60-5,700.80

Finding the Fourth Proportional to 11,241.20, 16,872.60 and 5,700.80

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Solution

The fourth proportional to 11,241.20, 16,872.60 and 5,700.80 is: 8,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.20 : 16,872.60 = 5,700.80 : x
  2. Step 2: Convert to fraction form
    11,241.20/16,872.60 = 5,700.80/x
  3. Step 3: Cross multiply
    11,241.20x = 16,872.60 × 5,700.80
  4. Step 4: Simplify right side
    11,241.20x = 96,187,318.08
  5. Step 5: Solve for x
    x = 96,187,318.08/11,241.20
  6. Step 6: Final answer
    x = 8,556.68

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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.