Home / 11,619.55-17,429.28-3,299.57

Finding the Fourth Proportional to 11,619.55, 17,429.28 and 3,299.57

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Solution

The fourth proportional to 11,619.55, 17,429.28 and 3,299.57 is: 4,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.55 : 17,429.28 = 3,299.57 : x
  2. Step 2: Convert to fraction form
    11,619.55/17,429.28 = 3,299.57/x
  3. Step 3: Cross multiply
    11,619.55x = 17,429.28 × 3,299.57
  4. Step 4: Simplify right side
    11,619.55x = 57,509,129.41
  5. Step 5: Solve for x
    x = 57,509,129.41/11,619.55
  6. Step 6: Final answer
    x = 4,949.34

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Similar ratio
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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.