Home / 11,324.70-16,986.96-3,929.04

Finding the Fourth Proportional to 11,324.70, 16,986.96 and 3,929.04

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Solution

The fourth proportional to 11,324.70, 16,986.96 and 3,929.04 is: 5,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.70 : 16,986.96 = 3,929.04 : x
  2. Step 2: Convert to fraction form
    11,324.70/16,986.96 = 3,929.04/x
  3. Step 3: Cross multiply
    11,324.70x = 16,986.96 × 3,929.04
  4. Step 4: Simplify right side
    11,324.70x = 66,742,445.32
  5. Step 5: Solve for x
    x = 66,742,445.32/11,324.70
  6. Step 6: Final answer
    x = 5,893.53

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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.