Home / 12,354.44-18,531.69-2,994.42

Finding the Fourth Proportional to 12,354.44, 18,531.69 and 2,994.42

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Solution

The fourth proportional to 12,354.44, 18,531.69 and 2,994.42 is: 4,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.44 : 18,531.69 = 2,994.42 : x
  2. Step 2: Convert to fraction form
    12,354.44/18,531.69 = 2,994.42/x
  3. Step 3: Cross multiply
    12,354.44x = 18,531.69 × 2,994.42
  4. Step 4: Simplify right side
    12,354.44x = 55,491,593.68
  5. Step 5: Solve for x
    x = 55,491,593.68/12,354.44
  6. Step 6: Final answer
    x = 4,491.63

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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.