Home / 21,023.43-31,538.45-6,233.82

Finding the Fourth Proportional to 21,023.43, 31,538.45 and 6,233.82

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Solution

The fourth proportional to 21,023.43, 31,538.45 and 6,233.82 is: 9,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.43 : 31,538.45 = 6,233.82 : x
  2. Step 2: Convert to fraction form
    21,023.43/31,538.45 = 6,233.82/x
  3. Step 3: Cross multiply
    21,023.43x = 31,538.45 × 6,233.82
  4. Step 4: Simplify right side
    21,023.43x = 196,605,020.38
  5. Step 5: Solve for x
    x = 196,605,020.38/21,023.43
  6. Step 6: Final answer
    x = 9,351.71

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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.