Home / 21,342.24-29,449.44-11,910.60

Finding the Fourth Proportional to 21,342.24, 29,449.44 and 11,910.60

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Solution

The fourth proportional to 21,342.24, 29,449.44 and 11,910.60 is: 16,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342.24 : 29,449.44 = 11,910.60 : x
  2. Step 2: Convert to fraction form
    21,342.24/29,449.44 = 11,910.60/x
  3. Step 3: Cross multiply
    21,342.24x = 29,449.44 × 11,910.60
  4. Step 4: Simplify right side
    21,342.24x = 350,760,500.06
  5. Step 5: Solve for x
    x = 350,760,500.06/21,342.24
  6. Step 6: Final answer
    x = 16,435.04

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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.