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Finding the Fourth Proportional to 11,236.68, 16,855.02 and 3,841.20

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Solution

The fourth proportional to 11,236.68, 16,855.02 and 3,841.20 is: 5,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.68 : 16,855.02 = 3,841.20 : x
  2. Step 2: Convert to fraction form
    11,236.68/16,855.02 = 3,841.20/x
  3. Step 3: Cross multiply
    11,236.68x = 16,855.02 × 3,841.20
  4. Step 4: Simplify right side
    11,236.68x = 64,743,502.82
  5. Step 5: Solve for x
    x = 64,743,502.82/11,236.68
  6. Step 6: Final answer
    x = 5,761.80

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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.