Home / 21,844.44-30,145.24-11,908.44

Finding the Fourth Proportional to 21,844.44, 30,145.24 and 11,908.44

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Solution

The fourth proportional to 21,844.44, 30,145.24 and 11,908.44 is: 16,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.44 : 30,145.24 = 11,908.44 : x
  2. Step 2: Convert to fraction form
    21,844.44/30,145.24 = 11,908.44/x
  3. Step 3: Cross multiply
    21,844.44x = 30,145.24 × 11,908.44
  4. Step 4: Simplify right side
    21,844.44x = 358,982,781.83
  5. Step 5: Solve for x
    x = 358,982,781.83/21,844.44
  6. Step 6: Final answer
    x = 16,433.60

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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.