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Finding the Fourth Proportional to 11,081.80, 16,622.70 and 9,696.70

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Solution

The fourth proportional to 11,081.80, 16,622.70 and 9,696.70 is: 14,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.80 : 16,622.70 = 9,696.70 : x
  2. Step 2: Convert to fraction form
    11,081.80/16,622.70 = 9,696.70/x
  3. Step 3: Cross multiply
    11,081.80x = 16,622.70 × 9,696.70
  4. Step 4: Simplify right side
    11,081.80x = 161,185,335.09
  5. Step 5: Solve for x
    x = 161,185,335.09/11,081.80
  6. Step 6: Final answer
    x = 14,545.05

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Similar ratio
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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.