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Finding the Fourth Proportional to 11,996.59, 17,994.84 and 3,676.22

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Solution

The fourth proportional to 11,996.59, 17,994.84 and 3,676.22 is: 5,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.59 : 17,994.84 = 3,676.22 : x
  2. Step 2: Convert to fraction form
    11,996.59/17,994.84 = 3,676.22/x
  3. Step 3: Cross multiply
    11,996.59x = 17,994.84 × 3,676.22
  4. Step 4: Simplify right side
    11,996.59x = 66,152,990.70
  5. Step 5: Solve for x
    x = 66,152,990.70/11,996.59
  6. Step 6: Final answer
    x = 5,514.32

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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.