Home / 18,836.38-25,995.42-10,452.88

Finding the Fourth Proportional to 18,836.38, 25,995.42 and 10,452.88

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Solution

The fourth proportional to 18,836.38, 25,995.42 and 10,452.88 is: 14,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.38 : 25,995.42 = 10,452.88 : x
  2. Step 2: Convert to fraction form
    18,836.38/25,995.42 = 10,452.88/x
  3. Step 3: Cross multiply
    18,836.38x = 25,995.42 × 10,452.88
  4. Step 4: Simplify right side
    18,836.38x = 271,726,823.57
  5. Step 5: Solve for x
    x = 271,726,823.57/18,836.38
  6. Step 6: Final answer
    x = 14,425.64

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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.