Home / 20,442.83-30,664.35-6,211.44

Finding the Fourth Proportional to 20,442.83, 30,664.35 and 6,211.44

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Solution

The fourth proportional to 20,442.83, 30,664.35 and 6,211.44 is: 9,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.83 : 30,664.35 = 6,211.44 : x
  2. Step 2: Convert to fraction form
    20,442.83/30,664.35 = 6,211.44/x
  3. Step 3: Cross multiply
    20,442.83x = 30,664.35 × 6,211.44
  4. Step 4: Simplify right side
    20,442.83x = 190,469,770.16
  5. Step 5: Solve for x
    x = 190,469,770.16/20,442.83
  6. Step 6: Final answer
    x = 9,317.19

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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.