Home / 11,251.67-16,873.79-3,855.96

Finding the Fourth Proportional to 11,251.67, 16,873.79 and 3,855.96

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Solution

The fourth proportional to 11,251.67, 16,873.79 and 3,855.96 is: 5,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.67 : 16,873.79 = 3,855.96 : x
  2. Step 2: Convert to fraction form
    11,251.67/16,873.79 = 3,855.96/x
  3. Step 3: Cross multiply
    11,251.67x = 16,873.79 × 3,855.96
  4. Step 4: Simplify right side
    11,251.67x = 65,064,640.01
  5. Step 5: Solve for x
    x = 65,064,640.01/11,251.67
  6. Step 6: Final answer
    x = 5,782.67

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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.