Home / 12,228.92-18,344.60-4,438.34

Finding the Fourth Proportional to 12,228.92, 18,344.60 and 4,438.34

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Solution

The fourth proportional to 12,228.92, 18,344.60 and 4,438.34 is: 6,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.92 : 18,344.60 = 4,438.34 : x
  2. Step 2: Convert to fraction form
    12,228.92/18,344.60 = 4,438.34/x
  3. Step 3: Cross multiply
    12,228.92x = 18,344.60 × 4,438.34
  4. Step 4: Simplify right side
    12,228.92x = 81,419,571.96
  5. Step 5: Solve for x
    x = 81,419,571.96/12,228.92
  6. Step 6: Final answer
    x = 6,657.95

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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.