Home / 11,324.17-16,986.48-3,928.87

Finding the Fourth Proportional to 11,324.17, 16,986.48 and 3,928.87

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Solution

The fourth proportional to 11,324.17, 16,986.48 and 3,928.87 is: 5,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.17 : 16,986.48 = 3,928.87 : x
  2. Step 2: Convert to fraction form
    11,324.17/16,986.48 = 3,928.87/x
  3. Step 3: Cross multiply
    11,324.17x = 16,986.48 × 3,928.87
  4. Step 4: Simplify right side
    11,324.17x = 66,737,671.68
  5. Step 5: Solve for x
    x = 66,737,671.68/11,324.17
  6. Step 6: Final answer
    x = 5,893.38

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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.