Home / 11,722.75-17,584.13-3,514.75

Finding the Fourth Proportional to 11,722.75, 17,584.13 and 3,514.75

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Solution

The fourth proportional to 11,722.75, 17,584.13 and 3,514.75 is: 5,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.75 : 17,584.13 = 3,514.75 : x
  2. Step 2: Convert to fraction form
    11,722.75/17,584.13 = 3,514.75/x
  3. Step 3: Cross multiply
    11,722.75x = 17,584.13 × 3,514.75
  4. Step 4: Simplify right side
    11,722.75x = 61,803,820.92
  5. Step 5: Solve for x
    x = 61,803,820.92/11,722.75
  6. Step 6: Final answer
    x = 5,272.13

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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.