Home / 12,785.76-19,174-4,463.44

Finding the Fourth Proportional to 12,785.76, 19,174 and 4,463.44

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Solution

The fourth proportional to 12,785.76, 19,174 and 4,463.44 is: 6,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.76 : 19,174 = 4,463.44 : x
  2. Step 2: Convert to fraction form
    12,785.76/19,174 = 4,463.44/x
  3. Step 3: Cross multiply
    12,785.76x = 19,174 × 4,463.44
  4. Step 4: Simplify right side
    12,785.76x = 85,581,998.56
  5. Step 5: Solve for x
    x = 85,581,998.56/12,785.76
  6. Step 6: Final answer
    x = 6,693.54

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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.