Home / 18,823.93-28,236.12-5,676.42

Finding the Fourth Proportional to 18,823.93, 28,236.12 and 5,676.42

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Solution

The fourth proportional to 18,823.93, 28,236.12 and 5,676.42 is: 8,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.93 : 28,236.12 = 5,676.42 : x
  2. Step 2: Convert to fraction form
    18,823.93/28,236.12 = 5,676.42/x
  3. Step 3: Cross multiply
    18,823.93x = 28,236.12 × 5,676.42
  4. Step 4: Simplify right side
    18,823.93x = 160,279,906.73
  5. Step 5: Solve for x
    x = 160,279,906.73/18,823.93
  6. Step 6: Final answer
    x = 8,514.69

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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.