Home / 10,968.11-16,460.62-8,163.28

Finding the Fourth Proportional to 10,968.11, 16,460.62 and 8,163.28

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Solution

The fourth proportional to 10,968.11, 16,460.62 and 8,163.28 is: 12,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.11 : 16,460.62 = 8,163.28 : x
  2. Step 2: Convert to fraction form
    10,968.11/16,460.62 = 8,163.28/x
  3. Step 3: Cross multiply
    10,968.11x = 16,460.62 × 8,163.28
  4. Step 4: Simplify right side
    10,968.11x = 134,372,650.03
  5. Step 5: Solve for x
    x = 134,372,650.03/10,968.11
  6. Step 6: Final answer
    x = 12,251.21

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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.