Home / 20,229.57-30,344.06-12,334.41

Finding the Fourth Proportional to 20,229.57, 30,344.06 and 12,334.41

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Solution

The fourth proportional to 20,229.57, 30,344.06 and 12,334.41 is: 18,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.57 : 30,344.06 = 12,334.41 : x
  2. Step 2: Convert to fraction form
    20,229.57/30,344.06 = 12,334.41/x
  3. Step 3: Cross multiply
    20,229.57x = 30,344.06 × 12,334.41
  4. Step 4: Simplify right side
    20,229.57x = 374,276,015.43
  5. Step 5: Solve for x
    x = 374,276,015.43/20,229.57
  6. Step 6: Final answer
    x = 18,501.43

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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.