Home / 10,908.36-16,365-3,982.86

Finding the Fourth Proportional to 10,908.36, 16,365 and 3,982.86

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Solution

The fourth proportional to 10,908.36, 16,365 and 3,982.86 is: 5,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.36 : 16,365 = 3,982.86 : x
  2. Step 2: Convert to fraction form
    10,908.36/16,365 = 3,982.86/x
  3. Step 3: Cross multiply
    10,908.36x = 16,365 × 3,982.86
  4. Step 4: Simplify right side
    10,908.36x = 65,179,503.90
  5. Step 5: Solve for x
    x = 65,179,503.90/10,908.36
  6. Step 6: Final answer
    x = 5,975.19

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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.