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Finding the Fourth Proportional to 11,604.96, 16,006.68 and 8,069.04

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Solution

The fourth proportional to 11,604.96, 16,006.68 and 8,069.04 is: 11,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.96 : 16,006.68 = 8,069.04 : x
  2. Step 2: Convert to fraction form
    11,604.96/16,006.68 = 8,069.04/x
  3. Step 3: Cross multiply
    11,604.96x = 16,006.68 × 8,069.04
  4. Step 4: Simplify right side
    11,604.96x = 129,158,541.19
  5. Step 5: Solve for x
    x = 129,158,541.19/11,604.96
  6. Step 6: Final answer
    x = 11,129.60

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Similar ratio
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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.