Home / 12,163.34-18,209.45-10,996.02

Finding the Fourth Proportional to 12,163.34, 18,209.45 and 10,996.02

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Solution

The fourth proportional to 12,163.34, 18,209.45 and 10,996.02 is: 16,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.34 : 18,209.45 = 10,996.02 : x
  2. Step 2: Convert to fraction form
    12,163.34/18,209.45 = 10,996.02/x
  3. Step 3: Cross multiply
    12,163.34x = 18,209.45 × 10,996.02
  4. Step 4: Simplify right side
    12,163.34x = 200,231,503.88
  5. Step 5: Solve for x
    x = 200,231,503.88/12,163.34
  6. Step 6: Final answer
    x = 16,461.88

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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.