Home / 18,800.46-28,193.13-6,789.18

Finding the Fourth Proportional to 18,800.46, 28,193.13 and 6,789.18

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Solution

The fourth proportional to 18,800.46, 28,193.13 and 6,789.18 is: 10,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.46 : 28,193.13 = 6,789.18 : x
  2. Step 2: Convert to fraction form
    18,800.46/28,193.13 = 6,789.18/x
  3. Step 3: Cross multiply
    18,800.46x = 28,193.13 × 6,789.18
  4. Step 4: Simplify right side
    18,800.46x = 191,408,234.33
  5. Step 5: Solve for x
    x = 191,408,234.33/18,800.46
  6. Step 6: Final answer
    x = 10,181.04

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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.