Home / 13,227.13-19,840.44-3,231.94

Finding the Fourth Proportional to 13,227.13, 19,840.44 and 3,231.94

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Solution

The fourth proportional to 13,227.13, 19,840.44 and 3,231.94 is: 4,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.13 : 19,840.44 = 3,231.94 : x
  2. Step 2: Convert to fraction form
    13,227.13/19,840.44 = 3,231.94/x
  3. Step 3: Cross multiply
    13,227.13x = 19,840.44 × 3,231.94
  4. Step 4: Simplify right side
    13,227.13x = 64,123,093.19
  5. Step 5: Solve for x
    x = 64,123,093.19/13,227.13
  6. Step 6: Final answer
    x = 4,847.85

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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.