Home / 11,930.96-17,896.62-3,611.36

Finding the Fourth Proportional to 11,930.96, 17,896.62 and 3,611.36

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Solution

The fourth proportional to 11,930.96, 17,896.62 and 3,611.36 is: 5,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.96 : 17,896.62 = 3,611.36 : x
  2. Step 2: Convert to fraction form
    11,930.96/17,896.62 = 3,611.36/x
  3. Step 3: Cross multiply
    11,930.96x = 17,896.62 × 3,611.36
  4. Step 4: Simplify right side
    11,930.96x = 64,631,137.60
  5. Step 5: Solve for x
    x = 64,631,137.60/11,930.96
  6. Step 6: Final answer
    x = 5,417.09

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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.