Home / 12,073.32-18,083.22-9,279.42

Finding the Fourth Proportional to 12,073.32, 18,083.22 and 9,279.42

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Solution

The fourth proportional to 12,073.32, 18,083.22 and 9,279.42 is: 13,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.32 : 18,083.22 = 9,279.42 : x
  2. Step 2: Convert to fraction form
    12,073.32/18,083.22 = 9,279.42/x
  3. Step 3: Cross multiply
    12,073.32x = 18,083.22 × 9,279.42
  4. Step 4: Simplify right side
    12,073.32x = 167,801,793.33
  5. Step 5: Solve for x
    x = 167,801,793.33/12,073.32
  6. Step 6: Final answer
    x = 13,898.56

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1.5x scale

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.