Home / 16,861.43-25,279.05-10,925.78

Finding the Fourth Proportional to 16,861.43, 25,279.05 and 10,925.78

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Solution

The fourth proportional to 16,861.43, 25,279.05 and 10,925.78 is: 16,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.43 : 25,279.05 = 10,925.78 : x
  2. Step 2: Convert to fraction form
    16,861.43/25,279.05 = 10,925.78/x
  3. Step 3: Cross multiply
    16,861.43x = 25,279.05 × 10,925.78
  4. Step 4: Simplify right side
    16,861.43x = 276,193,253.49
  5. Step 5: Solve for x
    x = 276,193,253.49/16,861.43
  6. Step 6: Final answer
    x = 16,380.18

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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.