Home / 11,910.42-16,436.75-6,874.55

Finding the Fourth Proportional to 11,910.42, 16,436.75 and 6,874.55

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Solution

The fourth proportional to 11,910.42, 16,436.75 and 6,874.55 is: 9,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.42 : 16,436.75 = 6,874.55 : x
  2. Step 2: Convert to fraction form
    11,910.42/16,436.75 = 6,874.55/x
  3. Step 3: Cross multiply
    11,910.42x = 16,436.75 × 6,874.55
  4. Step 4: Simplify right side
    11,910.42x = 112,995,177.90
  5. Step 5: Solve for x
    x = 112,995,177.90/11,910.42
  6. Step 6: Final answer
    x = 9,487.09

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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.