Home / 22,140.24-33,213.60-8,286

Finding the Fourth Proportional to 22,140.24, 33,213.60 and 8,286

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Solution

The fourth proportional to 22,140.24, 33,213.60 and 8,286 is: 12,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.24 : 33,213.60 = 8,286 : x
  2. Step 2: Convert to fraction form
    22,140.24/33,213.60 = 8,286/x
  3. Step 3: Cross multiply
    22,140.24x = 33,213.60 × 8,286
  4. Step 4: Simplify right side
    22,140.24x = 275,207,889.60
  5. Step 5: Solve for x
    x = 275,207,889.60/22,140.24
  6. Step 6: Final answer
    x = 12,430.21

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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.