Home / 18,728.88-25,845.38-10,770.92

Finding the Fourth Proportional to 18,728.88, 25,845.38 and 10,770.92

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Solution

The fourth proportional to 18,728.88, 25,845.38 and 10,770.92 is: 14,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.88 : 25,845.38 = 10,770.92 : x
  2. Step 2: Convert to fraction form
    18,728.88/25,845.38 = 10,770.92/x
  3. Step 3: Cross multiply
    18,728.88x = 25,845.38 × 10,770.92
  4. Step 4: Simplify right side
    18,728.88x = 278,378,520.35
  5. Step 5: Solve for x
    x = 278,378,520.35/18,728.88
  6. Step 6: Final answer
    x = 14,863.60

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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.