Home / 18,454.05-25,469.82-10,899.86

Finding the Fourth Proportional to 18,454.05, 25,469.82 and 10,899.86

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Solution

The fourth proportional to 18,454.05, 25,469.82 and 10,899.86 is: 15,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.05 : 25,469.82 = 10,899.86 : x
  2. Step 2: Convert to fraction form
    18,454.05/25,469.82 = 10,899.86/x
  3. Step 3: Cross multiply
    18,454.05x = 25,469.82 × 10,899.86
  4. Step 4: Simplify right side
    18,454.05x = 277,617,344.88
  5. Step 5: Solve for x
    x = 277,617,344.88/18,454.05
  6. Step 6: Final answer
    x = 15,043.71

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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.