Home / 17,920.20-26,861.10-6,822.60

Finding the Fourth Proportional to 17,920.20, 26,861.10 and 6,822.60

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Solution

The fourth proportional to 17,920.20, 26,861.10 and 6,822.60 is: 10,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.20 : 26,861.10 = 6,822.60 : x
  2. Step 2: Convert to fraction form
    17,920.20/26,861.10 = 6,822.60/x
  3. Step 3: Cross multiply
    17,920.20x = 26,861.10 × 6,822.60
  4. Step 4: Simplify right side
    17,920.20x = 183,262,540.86
  5. Step 5: Solve for x
    x = 183,262,540.86/17,920.20
  6. Step 6: Final answer
    x = 10,226.59

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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.