Home / 11,982.74-17,977.05-3,662.90

Finding the Fourth Proportional to 11,982.74, 17,977.05 and 3,662.90

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Solution

The fourth proportional to 11,982.74, 17,977.05 and 3,662.90 is: 5,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.74 : 17,977.05 = 3,662.90 : x
  2. Step 2: Convert to fraction form
    11,982.74/17,977.05 = 3,662.90/x
  3. Step 3: Cross multiply
    11,982.74x = 17,977.05 × 3,662.90
  4. Step 4: Simplify right side
    11,982.74x = 65,848,136.45
  5. Step 5: Solve for x
    x = 65,848,136.45/11,982.74
  6. Step 6: Final answer
    x = 5,495.25

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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.