Home / 18,209.68-25,132.82-10,251.90

Finding the Fourth Proportional to 18,209.68, 25,132.82 and 10,251.90

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Solution

The fourth proportional to 18,209.68, 25,132.82 and 10,251.90 is: 14,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.68 : 25,132.82 = 10,251.90 : x
  2. Step 2: Convert to fraction form
    18,209.68/25,132.82 = 10,251.90/x
  3. Step 3: Cross multiply
    18,209.68x = 25,132.82 × 10,251.90
  4. Step 4: Simplify right side
    18,209.68x = 257,659,106.10
  5. Step 5: Solve for x
    x = 257,659,106.10/18,209.68
  6. Step 6: Final answer
    x = 14,149.57

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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.