Home / 11,404.64-17,102.61-5,479.88

Finding the Fourth Proportional to 11,404.64, 17,102.61 and 5,479.88

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Solution

The fourth proportional to 11,404.64, 17,102.61 and 5,479.88 is: 8,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.64 : 17,102.61 = 5,479.88 : x
  2. Step 2: Convert to fraction form
    11,404.64/17,102.61 = 5,479.88/x
  3. Step 3: Cross multiply
    11,404.64x = 17,102.61 × 5,479.88
  4. Step 4: Simplify right side
    11,404.64x = 93,720,164.97
  5. Step 5: Solve for x
    x = 93,720,164.97/11,404.64
  6. Step 6: Final answer
    x = 8,217.72

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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.