Home / 11,618.75-17,428.99-3,299.44

Finding the Fourth Proportional to 11,618.75, 17,428.99 and 3,299.44

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Solution

The fourth proportional to 11,618.75, 17,428.99 and 3,299.44 is: 4,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.75 : 17,428.99 = 3,299.44 : x
  2. Step 2: Convert to fraction form
    11,618.75/17,428.99 = 3,299.44/x
  3. Step 3: Cross multiply
    11,618.75x = 17,428.99 × 3,299.44
  4. Step 4: Simplify right side
    11,618.75x = 57,505,906.77
  5. Step 5: Solve for x
    x = 57,505,906.77/11,618.75
  6. Step 6: Final answer
    x = 4,949.41

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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.