Home / 12,234.61-18,353.26-3,912.67

Finding the Fourth Proportional to 12,234.61, 18,353.26 and 3,912.67

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Solution

The fourth proportional to 12,234.61, 18,353.26 and 3,912.67 is: 5,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.61 : 18,353.26 = 3,912.67 : x
  2. Step 2: Convert to fraction form
    12,234.61/18,353.26 = 3,912.67/x
  3. Step 3: Cross multiply
    12,234.61x = 18,353.26 × 3,912.67
  4. Step 4: Simplify right side
    12,234.61x = 71,810,184.36
  5. Step 5: Solve for x
    x = 71,810,184.36/12,234.61
  6. Step 6: Final answer
    x = 5,869.43

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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.