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Finding the Fourth Proportional to 16,163.06, 22,311.06 and 9,450.85

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Solution

The fourth proportional to 16,163.06, 22,311.06 and 9,450.85 is: 13,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.06 : 22,311.06 = 9,450.85 : x
  2. Step 2: Convert to fraction form
    16,163.06/22,311.06 = 9,450.85/x
  3. Step 3: Cross multiply
    16,163.06x = 22,311.06 × 9,450.85
  4. Step 4: Simplify right side
    16,163.06x = 210,858,481.40
  5. Step 5: Solve for x
    x = 210,858,481.40/16,163.06
  6. Step 6: Final answer
    x = 13,045.70

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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.