Home / 21,934.24-30,268.80-11,998.24

Finding the Fourth Proportional to 21,934.24, 30,268.80 and 11,998.24

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Solution

The fourth proportional to 21,934.24, 30,268.80 and 11,998.24 is: 16,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.24 : 30,268.80 = 11,998.24 : x
  2. Step 2: Convert to fraction form
    21,934.24/30,268.80 = 11,998.24/x
  3. Step 3: Cross multiply
    21,934.24x = 30,268.80 × 11,998.24
  4. Step 4: Simplify right side
    21,934.24x = 363,172,326.91
  5. Step 5: Solve for x
    x = 363,172,326.91/21,934.24
  6. Step 6: Final answer
    x = 16,557.32

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Double scale
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Similar ratio
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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.