Home / 21,262.44-31,882.94-6,468.52

Finding the Fourth Proportional to 21,262.44, 31,882.94 and 6,468.52

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Solution

The fourth proportional to 21,262.44, 31,882.94 and 6,468.52 is: 9,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.44 : 31,882.94 = 6,468.52 : x
  2. Step 2: Convert to fraction form
    21,262.44/31,882.94 = 6,468.52/x
  3. Step 3: Cross multiply
    21,262.44x = 31,882.94 × 6,468.52
  4. Step 4: Simplify right side
    21,262.44x = 206,235,435.05
  5. Step 5: Solve for x
    x = 206,235,435.05/21,262.44
  6. Step 6: Final answer
    x = 9,699.52

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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.