Home / 21,844.08-30,147.48-12,414.96

Finding the Fourth Proportional to 21,844.08, 30,147.48 and 12,414.96

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Solution

The fourth proportional to 21,844.08, 30,147.48 and 12,414.96 is: 17,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.08 : 30,147.48 = 12,414.96 : x
  2. Step 2: Convert to fraction form
    21,844.08/30,147.48 = 12,414.96/x
  3. Step 3: Cross multiply
    21,844.08x = 30,147.48 × 12,414.96
  4. Step 4: Simplify right side
    21,844.08x = 374,279,758.30
  5. Step 5: Solve for x
    x = 374,279,758.30/21,844.08
  6. Step 6: Final answer
    x = 17,134.15

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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.