Home / 18,759.96-25,891.92-10,800.72

Finding the Fourth Proportional to 18,759.96, 25,891.92 and 10,800.72

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Solution

The fourth proportional to 18,759.96, 25,891.92 and 10,800.72 is: 14,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.96 : 25,891.92 = 10,800.72 : x
  2. Step 2: Convert to fraction form
    18,759.96/25,891.92 = 10,800.72/x
  3. Step 3: Cross multiply
    18,759.96x = 25,891.92 × 10,800.72
  4. Step 4: Simplify right side
    18,759.96x = 279,651,378.18
  5. Step 5: Solve for x
    x = 279,651,378.18/18,759.96
  6. Step 6: Final answer
    x = 14,906.82

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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.