Home / 21,266.88-31,903.83-6,472.41

Finding the Fourth Proportional to 21,266.88, 31,903.83 and 6,472.41

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Solution

The fourth proportional to 21,266.88, 31,903.83 and 6,472.41 is: 9,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.88 : 31,903.83 = 6,472.41 : x
  2. Step 2: Convert to fraction form
    21,266.88/31,903.83 = 6,472.41/x
  3. Step 3: Cross multiply
    21,266.88x = 31,903.83 × 6,472.41
  4. Step 4: Simplify right side
    21,266.88x = 206,494,668.33
  5. Step 5: Solve for x
    x = 206,494,668.33/21,266.88
  6. Step 6: Final answer
    x = 9,709.68

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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.