Home / 11,620.85-17,429.26-3,298.92

Finding the Fourth Proportional to 11,620.85, 17,429.26 and 3,298.92

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Solution

The fourth proportional to 11,620.85, 17,429.26 and 3,298.92 is: 4,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.85 : 17,429.26 = 3,298.92 : x
  2. Step 2: Convert to fraction form
    11,620.85/17,429.26 = 3,298.92/x
  3. Step 3: Cross multiply
    11,620.85x = 17,429.26 × 3,298.92
  4. Step 4: Simplify right side
    11,620.85x = 57,497,741.52
  5. Step 5: Solve for x
    x = 57,497,741.52/11,620.85
  6. Step 6: Final answer
    x = 4,947.81

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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.