Home / 11,845.50-17,771.15-4,450.38

Finding the Fourth Proportional to 11,845.50, 17,771.15 and 4,450.38

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Solution

The fourth proportional to 11,845.50, 17,771.15 and 4,450.38 is: 6,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.50 : 17,771.15 = 4,450.38 : x
  2. Step 2: Convert to fraction form
    11,845.50/17,771.15 = 4,450.38/x
  3. Step 3: Cross multiply
    11,845.50x = 17,771.15 × 4,450.38
  4. Step 4: Simplify right side
    11,845.50x = 79,088,370.54
  5. Step 5: Solve for x
    x = 79,088,370.54/11,845.50
  6. Step 6: Final answer
    x = 6,676.66

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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.