Home / 13,289.82-19,917.33-6,712.44

Finding the Fourth Proportional to 13,289.82, 19,917.33 and 6,712.44

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Solution

The fourth proportional to 13,289.82, 19,917.33 and 6,712.44 is: 10,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.82 : 19,917.33 = 6,712.44 : x
  2. Step 2: Convert to fraction form
    13,289.82/19,917.33 = 6,712.44/x
  3. Step 3: Cross multiply
    13,289.82x = 19,917.33 × 6,712.44
  4. Step 4: Simplify right side
    13,289.82x = 133,693,882.59
  5. Step 5: Solve for x
    x = 133,693,882.59/13,289.82
  6. Step 6: Final answer
    x = 10,059.87

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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.