Home / 11,974.28-18,001.96-9,650.59

Finding the Fourth Proportional to 11,974.28, 18,001.96 and 9,650.59

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Solution

The fourth proportional to 11,974.28, 18,001.96 and 9,650.59 is: 14,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.28 : 18,001.96 = 9,650.59 : x
  2. Step 2: Convert to fraction form
    11,974.28/18,001.96 = 9,650.59/x
  3. Step 3: Cross multiply
    11,974.28x = 18,001.96 × 9,650.59
  4. Step 4: Simplify right side
    11,974.28x = 173,729,466.03
  5. Step 5: Solve for x
    x = 173,729,466.03/11,974.28
  6. Step 6: Final answer
    x = 14,508.56

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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.