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Finding the Fourth Proportional to 11,998.84, 17,998.26 and 3,234.44

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Solution

The fourth proportional to 11,998.84, 17,998.26 and 3,234.44 is: 4,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.84 : 17,998.26 = 3,234.44 : x
  2. Step 2: Convert to fraction form
    11,998.84/17,998.26 = 3,234.44/x
  3. Step 3: Cross multiply
    11,998.84x = 17,998.26 × 3,234.44
  4. Step 4: Simplify right side
    11,998.84x = 58,214,292.07
  5. Step 5: Solve for x
    x = 58,214,292.07/11,998.84
  6. Step 6: Final answer
    x = 4,851.66

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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.