Home / 16,891.13-25,336.49-15,863.55

Finding the Fourth Proportional to 16,891.13, 25,336.49 and 15,863.55

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Solution

The fourth proportional to 16,891.13, 25,336.49 and 15,863.55 is: 23,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.13 : 25,336.49 = 15,863.55 : x
  2. Step 2: Convert to fraction form
    16,891.13/25,336.49 = 15,863.55/x
  3. Step 3: Cross multiply
    16,891.13x = 25,336.49 × 15,863.55
  4. Step 4: Simplify right side
    16,891.13x = 401,926,469.94
  5. Step 5: Solve for x
    x = 401,926,469.94/16,891.13
  6. Step 6: Final answer
    x = 23,795.13

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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.