Home / 13,181.91-19,772.87-3,321.96

Finding the Fourth Proportional to 13,181.91, 19,772.87 and 3,321.96

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Solution

The fourth proportional to 13,181.91, 19,772.87 and 3,321.96 is: 4,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.91 : 19,772.87 = 3,321.96 : x
  2. Step 2: Convert to fraction form
    13,181.91/19,772.87 = 3,321.96/x
  3. Step 3: Cross multiply
    13,181.91x = 19,772.87 × 3,321.96
  4. Step 4: Simplify right side
    13,181.91x = 65,684,683.23
  5. Step 5: Solve for x
    x = 65,684,683.23/13,181.91
  6. Step 6: Final answer
    x = 4,982.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.