Home / 18,738.14-25,861.26-12,042.87

Finding the Fourth Proportional to 18,738.14, 25,861.26 and 12,042.87

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Solution

The fourth proportional to 18,738.14, 25,861.26 and 12,042.87 is: 16,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.14 : 25,861.26 = 12,042.87 : x
  2. Step 2: Convert to fraction form
    18,738.14/25,861.26 = 12,042.87/x
  3. Step 3: Cross multiply
    18,738.14x = 25,861.26 × 12,042.87
  4. Step 4: Simplify right side
    18,738.14x = 311,443,792.22
  5. Step 5: Solve for x
    x = 311,443,792.22/18,738.14
  6. Step 6: Final answer
    x = 16,620.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.