Home / 18,004.48-27,021.16-8,144.62

Finding the Fourth Proportional to 18,004.48, 27,021.16 and 8,144.62

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Solution

The fourth proportional to 18,004.48, 27,021.16 and 8,144.62 is: 12,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.48 : 27,021.16 = 8,144.62 : x
  2. Step 2: Convert to fraction form
    18,004.48/27,021.16 = 8,144.62/x
  3. Step 3: Cross multiply
    18,004.48x = 27,021.16 × 8,144.62
  4. Step 4: Simplify right side
    18,004.48x = 220,077,022.79
  5. Step 5: Solve for x
    x = 220,077,022.79/18,004.48
  6. Step 6: Final answer
    x = 12,223.46

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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.