Home / 11,982.76-17,966.37-4,960.87

Finding the Fourth Proportional to 11,982.76, 17,966.37 and 4,960.87

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Solution

The fourth proportional to 11,982.76, 17,966.37 and 4,960.87 is: 7,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.76 : 17,966.37 = 4,960.87 : x
  2. Step 2: Convert to fraction form
    11,982.76/17,966.37 = 4,960.87/x
  3. Step 3: Cross multiply
    11,982.76x = 17,966.37 × 4,960.87
  4. Step 4: Simplify right side
    11,982.76x = 89,128,825.94
  5. Step 5: Solve for x
    x = 89,128,825.94/11,982.76
  6. Step 6: Final answer
    x = 7,438.09

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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.