Home / 11,180.41-16,778.67-4,161.40

Finding the Fourth Proportional to 11,180.41, 16,778.67 and 4,161.40

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Solution

The fourth proportional to 11,180.41, 16,778.67 and 4,161.40 is: 6,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.41 : 16,778.67 = 4,161.40 : x
  2. Step 2: Convert to fraction form
    11,180.41/16,778.67 = 4,161.40/x
  3. Step 3: Cross multiply
    11,180.41x = 16,778.67 × 4,161.40
  4. Step 4: Simplify right side
    11,180.41x = 69,822,757.34
  5. Step 5: Solve for x
    x = 69,822,757.34/11,180.41
  6. Step 6: Final answer
    x = 6,245.10

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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.