Home / 11,213.88-16,778.49-6,694.19

Finding the Fourth Proportional to 11,213.88, 16,778.49 and 6,694.19

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Solution

The fourth proportional to 11,213.88, 16,778.49 and 6,694.19 is: 10,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.88 : 16,778.49 = 6,694.19 : x
  2. Step 2: Convert to fraction form
    11,213.88/16,778.49 = 6,694.19/x
  3. Step 3: Cross multiply
    11,213.88x = 16,778.49 × 6,694.19
  4. Step 4: Simplify right side
    11,213.88x = 112,318,399.97
  5. Step 5: Solve for x
    x = 112,318,399.97/11,213.88
  6. Step 6: Final answer
    x = 10,016.02

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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.