Home / 12,230.42-18,352.92-4,438.22

Finding the Fourth Proportional to 12,230.42, 18,352.92 and 4,438.22

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Solution

The fourth proportional to 12,230.42, 18,352.92 and 4,438.22 is: 6,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.42 : 18,352.92 = 4,438.22 : x
  2. Step 2: Convert to fraction form
    12,230.42/18,352.92 = 4,438.22/x
  3. Step 3: Cross multiply
    12,230.42x = 18,352.92 × 4,438.22
  4. Step 4: Simplify right side
    12,230.42x = 81,454,296.60
  5. Step 5: Solve for x
    x = 81,454,296.60/12,230.42
  6. Step 6: Final answer
    x = 6,659.98

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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.