Home / 11,619.59-17,429.36-3,299.69

Finding the Fourth Proportional to 11,619.59, 17,429.36 and 3,299.69

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Solution

The fourth proportional to 11,619.59, 17,429.36 and 3,299.69 is: 4,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.59 : 17,429.36 = 3,299.69 : x
  2. Step 2: Convert to fraction form
    11,619.59/17,429.36 = 3,299.69/x
  3. Step 3: Cross multiply
    11,619.59x = 17,429.36 × 3,299.69
  4. Step 4: Simplify right side
    11,619.59x = 57,511,397.75
  5. Step 5: Solve for x
    x = 57,511,397.75/11,619.59
  6. Step 6: Final answer
    x = 4,949.52

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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.