Home / 21,227.92-29,295.24-11,796.88

Finding the Fourth Proportional to 21,227.92, 29,295.24 and 11,796.88

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Solution

The fourth proportional to 21,227.92, 29,295.24 and 11,796.88 is: 16,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.92 : 29,295.24 = 11,796.88 : x
  2. Step 2: Convert to fraction form
    21,227.92/29,295.24 = 11,796.88/x
  3. Step 3: Cross multiply
    21,227.92x = 29,295.24 × 11,796.88
  4. Step 4: Simplify right side
    21,227.92x = 345,592,430.85
  5. Step 5: Solve for x
    x = 345,592,430.85/21,227.92
  6. Step 6: Final answer
    x = 16,280.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.