Home / 11,197.44-15,450.66-6,480.72

Finding the Fourth Proportional to 11,197.44, 15,450.66 and 6,480.72

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Solution

The fourth proportional to 11,197.44, 15,450.66 and 6,480.72 is: 8,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.44 : 15,450.66 = 6,480.72 : x
  2. Step 2: Convert to fraction form
    11,197.44/15,450.66 = 6,480.72/x
  3. Step 3: Cross multiply
    11,197.44x = 15,450.66 × 6,480.72
  4. Step 4: Simplify right side
    11,197.44x = 100,131,401.28
  5. Step 5: Solve for x
    x = 100,131,401.28/11,197.44
  6. Step 6: Final answer
    x = 8,942.35

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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.