Home / 16,998.68-25,503.09-8,120.66

Finding the Fourth Proportional to 16,998.68, 25,503.09 and 8,120.66

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Solution

The fourth proportional to 16,998.68, 25,503.09 and 8,120.66 is: 12,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.68 : 25,503.09 = 8,120.66 : x
  2. Step 2: Convert to fraction form
    16,998.68/25,503.09 = 8,120.66/x
  3. Step 3: Cross multiply
    16,998.68x = 25,503.09 × 8,120.66
  4. Step 4: Simplify right side
    16,998.68x = 207,101,922.84
  5. Step 5: Solve for x
    x = 207,101,922.84/16,998.68
  6. Step 6: Final answer
    x = 12,183.41

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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.