Home / 11,786.22-17,679.24-3,021.12

Finding the Fourth Proportional to 11,786.22, 17,679.24 and 3,021.12

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Solution

The fourth proportional to 11,786.22, 17,679.24 and 3,021.12 is: 4,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.22 : 17,679.24 = 3,021.12 : x
  2. Step 2: Convert to fraction form
    11,786.22/17,679.24 = 3,021.12/x
  3. Step 3: Cross multiply
    11,786.22x = 17,679.24 × 3,021.12
  4. Step 4: Simplify right side
    11,786.22x = 53,411,105.55
  5. Step 5: Solve for x
    x = 53,411,105.55/11,786.22
  6. Step 6: Final answer
    x = 4,531.66

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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.