Home / 21,044.61-31,561.45-6,249.56

Finding the Fourth Proportional to 21,044.61, 31,561.45 and 6,249.56

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Solution

The fourth proportional to 21,044.61, 31,561.45 and 6,249.56 is: 9,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.61 : 31,561.45 = 6,249.56 : x
  2. Step 2: Convert to fraction form
    21,044.61/31,561.45 = 6,249.56/x
  3. Step 3: Cross multiply
    21,044.61x = 31,561.45 × 6,249.56
  4. Step 4: Simplify right side
    21,044.61x = 197,245,002.03
  5. Step 5: Solve for x
    x = 197,245,002.03/21,044.61
  6. Step 6: Final answer
    x = 9,372.71

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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.