Home / 10,882.08-16,297.20-8,398.80

Finding the Fourth Proportional to 10,882.08, 16,297.20 and 8,398.80

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Solution

The fourth proportional to 10,882.08, 16,297.20 and 8,398.80 is: 12,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.08 : 16,297.20 = 8,398.80 : x
  2. Step 2: Convert to fraction form
    10,882.08/16,297.20 = 8,398.80/x
  3. Step 3: Cross multiply
    10,882.08x = 16,297.20 × 8,398.80
  4. Step 4: Simplify right side
    10,882.08x = 136,876,923.36
  5. Step 5: Solve for x
    x = 136,876,923.36/10,882.08
  6. Step 6: Final answer
    x = 12,578.19

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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.