Home / 18,650.09-27,954.60-8,107.83

Finding the Fourth Proportional to 18,650.09, 27,954.60 and 8,107.83

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Solution

The fourth proportional to 18,650.09, 27,954.60 and 8,107.83 is: 12,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.09 : 27,954.60 = 8,107.83 : x
  2. Step 2: Convert to fraction form
    18,650.09/27,954.60 = 8,107.83/x
  3. Step 3: Cross multiply
    18,650.09x = 27,954.60 × 8,107.83
  4. Step 4: Simplify right side
    18,650.09x = 226,651,144.52
  5. Step 5: Solve for x
    x = 226,651,144.52/18,650.09
  6. Step 6: Final answer
    x = 12,152.82

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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.