Home / 12,224.80-18,329.10-4,432.60

Finding the Fourth Proportional to 12,224.80, 18,329.10 and 4,432.60

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Solution

The fourth proportional to 12,224.80, 18,329.10 and 4,432.60 is: 6,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.80 : 18,329.10 = 4,432.60 : x
  2. Step 2: Convert to fraction form
    12,224.80/18,329.10 = 4,432.60/x
  3. Step 3: Cross multiply
    12,224.80x = 18,329.10 × 4,432.60
  4. Step 4: Simplify right side
    12,224.80x = 81,245,568.66
  5. Step 5: Solve for x
    x = 81,245,568.66/12,224.80
  6. Step 6: Final answer
    x = 6,645.96

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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.