Home / 11,728.01-16,184.68-6,422.83

Finding the Fourth Proportional to 11,728.01, 16,184.68 and 6,422.83

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Solution

The fourth proportional to 11,728.01, 16,184.68 and 6,422.83 is: 8,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.01 : 16,184.68 = 6,422.83 : x
  2. Step 2: Convert to fraction form
    11,728.01/16,184.68 = 6,422.83/x
  3. Step 3: Cross multiply
    11,728.01x = 16,184.68 × 6,422.83
  4. Step 4: Simplify right side
    11,728.01x = 103,951,391.73
  5. Step 5: Solve for x
    x = 103,951,391.73/11,728.01
  6. Step 6: Final answer
    x = 8,863.51

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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.