Home / 11,824.96-16,319.24-6,519.78

Finding the Fourth Proportional to 11,824.96, 16,319.24 and 6,519.78

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Solution

The fourth proportional to 11,824.96, 16,319.24 and 6,519.78 is: 8,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.96 : 16,319.24 = 6,519.78 : x
  2. Step 2: Convert to fraction form
    11,824.96/16,319.24 = 6,519.78/x
  3. Step 3: Cross multiply
    11,824.96x = 16,319.24 × 6,519.78
  4. Step 4: Simplify right side
    11,824.96x = 106,397,854.57
  5. Step 5: Solve for x
    x = 106,397,854.57/11,824.96
  6. Step 6: Final answer
    x = 8,997.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.