Home / 11,177.92-16,751.29-8,401.34

Finding the Fourth Proportional to 11,177.92, 16,751.29 and 8,401.34

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Solution

The fourth proportional to 11,177.92, 16,751.29 and 8,401.34 is: 12,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.92 : 16,751.29 = 8,401.34 : x
  2. Step 2: Convert to fraction form
    11,177.92/16,751.29 = 8,401.34/x
  3. Step 3: Cross multiply
    11,177.92x = 16,751.29 × 8,401.34
  4. Step 4: Simplify right side
    11,177.92x = 140,733,240.72
  5. Step 5: Solve for x
    x = 140,733,240.72/11,177.92
  6. Step 6: Final answer
    x = 12,590.29

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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.