Home / 11,786.22-17,679.60-3,021.21

Finding the Fourth Proportional to 11,786.22, 17,679.60 and 3,021.21

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Solution

The fourth proportional to 11,786.22, 17,679.60 and 3,021.21 is: 4,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.22 : 17,679.60 = 3,021.21 : x
  2. Step 2: Convert to fraction form
    11,786.22/17,679.60 = 3,021.21/x
  3. Step 3: Cross multiply
    11,786.22x = 17,679.60 × 3,021.21
  4. Step 4: Simplify right side
    11,786.22x = 53,413,784.32
  5. Step 5: Solve for x
    x = 53,413,784.32/11,786.22
  6. Step 6: Final answer
    x = 4,531.88

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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.