Home / 17,912.20-26,849.10-6,814.60

Finding the Fourth Proportional to 17,912.20, 26,849.10 and 6,814.60

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Solution

The fourth proportional to 17,912.20, 26,849.10 and 6,814.60 is: 10,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.20 : 26,849.10 = 6,814.60 : x
  2. Step 2: Convert to fraction form
    17,912.20/26,849.10 = 6,814.60/x
  3. Step 3: Cross multiply
    17,912.20x = 26,849.10 × 6,814.60
  4. Step 4: Simplify right side
    17,912.20x = 182,965,876.86
  5. Step 5: Solve for x
    x = 182,965,876.86/17,912.20
  6. Step 6: Final answer
    x = 10,214.60

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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.