Home / 11,479.29-17,221.82-5,559.01

Finding the Fourth Proportional to 11,479.29, 17,221.82 and 5,559.01

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Solution

The fourth proportional to 11,479.29, 17,221.82 and 5,559.01 is: 8,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.29 : 17,221.82 = 5,559.01 : x
  2. Step 2: Convert to fraction form
    11,479.29/17,221.82 = 5,559.01/x
  3. Step 3: Cross multiply
    11,479.29x = 17,221.82 × 5,559.01
  4. Step 4: Simplify right side
    11,479.29x = 95,736,198.75
  5. Step 5: Solve for x
    x = 95,736,198.75/11,479.29
  6. Step 6: Final answer
    x = 8,339.91

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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.