Home / 21,265.88-31,902.33-6,471.41

Finding the Fourth Proportional to 21,265.88, 31,902.33 and 6,471.41

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Solution

The fourth proportional to 21,265.88, 31,902.33 and 6,471.41 is: 9,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.88 : 31,902.33 = 6,471.41 : x
  2. Step 2: Convert to fraction form
    21,265.88/31,902.33 = 6,471.41/x
  3. Step 3: Cross multiply
    21,265.88x = 31,902.33 × 6,471.41
  4. Step 4: Simplify right side
    21,265.88x = 206,453,057.39
  5. Step 5: Solve for x
    x = 206,453,057.39/21,265.88
  6. Step 6: Final answer
    x = 9,708.18

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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.