Home / 12,234.93-18,353.60-3,912.85

Finding the Fourth Proportional to 12,234.93, 18,353.60 and 3,912.85

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Solution

The fourth proportional to 12,234.93, 18,353.60 and 3,912.85 is: 5,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.93 : 18,353.60 = 3,912.85 : x
  2. Step 2: Convert to fraction form
    12,234.93/18,353.60 = 3,912.85/x
  3. Step 3: Cross multiply
    12,234.93x = 18,353.60 × 3,912.85
  4. Step 4: Simplify right side
    12,234.93x = 71,814,883.76
  5. Step 5: Solve for x
    x = 71,814,883.76/12,234.93
  6. Step 6: Final answer
    x = 5,869.66

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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.