Home / 21,695.24-29,939.22-11,759.24

Finding the Fourth Proportional to 21,695.24, 29,939.22 and 11,759.24

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Solution

The fourth proportional to 21,695.24, 29,939.22 and 11,759.24 is: 16,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.24 : 29,939.22 = 11,759.24 : x
  2. Step 2: Convert to fraction form
    21,695.24/29,939.22 = 11,759.24/x
  3. Step 3: Cross multiply
    21,695.24x = 29,939.22 × 11,759.24
  4. Step 4: Simplify right side
    21,695.24x = 352,062,473.39
  5. Step 5: Solve for x
    x = 352,062,473.39/21,695.24
  6. Step 6: Final answer
    x = 16,227.64

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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.