Home / 21,046.82-31,570.32-6,255.88

Finding the Fourth Proportional to 21,046.82, 31,570.32 and 6,255.88

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Solution

The fourth proportional to 21,046.82, 31,570.32 and 6,255.88 is: 9,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.82 : 31,570.32 = 6,255.88 : x
  2. Step 2: Convert to fraction form
    21,046.82/31,570.32 = 6,255.88/x
  3. Step 3: Cross multiply
    21,046.82x = 31,570.32 × 6,255.88
  4. Step 4: Simplify right side
    21,046.82x = 197,500,133.48
  5. Step 5: Solve for x
    x = 197,500,133.48/21,046.82
  6. Step 6: Final answer
    x = 9,383.85

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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.