Home / 12,523.50-18,781.40-8,249.04

Finding the Fourth Proportional to 12,523.50, 18,781.40 and 8,249.04

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Solution

The fourth proportional to 12,523.50, 18,781.40 and 8,249.04 is: 12,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.50 : 18,781.40 = 8,249.04 : x
  2. Step 2: Convert to fraction form
    12,523.50/18,781.40 = 8,249.04/x
  3. Step 3: Cross multiply
    12,523.50x = 18,781.40 × 8,249.04
  4. Step 4: Simplify right side
    12,523.50x = 154,928,540.48
  5. Step 5: Solve for x
    x = 154,928,540.48/12,523.50
  6. Step 6: Final answer
    x = 12,371.03

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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.