Home / 21,891.94-30,183.26-14,326.29

Finding the Fourth Proportional to 21,891.94, 30,183.26 and 14,326.29

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Solution

The fourth proportional to 21,891.94, 30,183.26 and 14,326.29 is: 19,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,891.94 : 30,183.26 = 14,326.29 : x
  2. Step 2: Convert to fraction form
    21,891.94/30,183.26 = 14,326.29/x
  3. Step 3: Cross multiply
    21,891.94x = 30,183.26 × 14,326.29
  4. Step 4: Simplify right side
    21,891.94x = 432,414,064.27
  5. Step 5: Solve for x
    x = 432,414,064.27/21,891.94
  6. Step 6: Final answer
    x = 19,752.21

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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.