Home / 16,087.67-22,201.85-8,917.43

Finding the Fourth Proportional to 16,087.67, 22,201.85 and 8,917.43

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Solution

The fourth proportional to 16,087.67, 22,201.85 and 8,917.43 is: 12,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,087.67 : 22,201.85 = 8,917.43 : x
  2. Step 2: Convert to fraction form
    16,087.67/22,201.85 = 8,917.43/x
  3. Step 3: Cross multiply
    16,087.67x = 22,201.85 × 8,917.43
  4. Step 4: Simplify right side
    16,087.67x = 197,983,521.04
  5. Step 5: Solve for x
    x = 197,983,521.04/16,087.67
  6. Step 6: Final answer
    x = 12,306.54

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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.