Home / 11,619.89-17,427.21-3,299.73

Finding the Fourth Proportional to 11,619.89, 17,427.21 and 3,299.73

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Solution

The fourth proportional to 11,619.89, 17,427.21 and 3,299.73 is: 4,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.89 : 17,427.21 = 3,299.73 : x
  2. Step 2: Convert to fraction form
    11,619.89/17,427.21 = 3,299.73/x
  3. Step 3: Cross multiply
    11,619.89x = 17,427.21 × 3,299.73
  4. Step 4: Simplify right side
    11,619.89x = 57,505,087.65
  5. Step 5: Solve for x
    x = 57,505,087.65/11,619.89
  6. Step 6: Final answer
    x = 4,948.85

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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.