Home / 12,344.05-18,507.87-6,800

Finding the Fourth Proportional to 12,344.05, 18,507.87 and 6,800

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Solution

The fourth proportional to 12,344.05, 18,507.87 and 6,800 is: 10,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.05 : 18,507.87 = 6,800 : x
  2. Step 2: Convert to fraction form
    12,344.05/18,507.87 = 6,800/x
  3. Step 3: Cross multiply
    12,344.05x = 18,507.87 × 6,800
  4. Step 4: Simplify right side
    12,344.05x = 125,853,516
  5. Step 5: Solve for x
    x = 125,853,516/12,344.05
  6. Step 6: Final answer
    x = 10,195.48

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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.