Home / 21,226.92-29,293.86-11,795.88

Finding the Fourth Proportional to 21,226.92, 29,293.86 and 11,795.88

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Solution

The fourth proportional to 21,226.92, 29,293.86 and 11,795.88 is: 16,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.92 : 29,293.86 = 11,795.88 : x
  2. Step 2: Convert to fraction form
    21,226.92/29,293.86 = 11,795.88/x
  3. Step 3: Cross multiply
    21,226.92x = 29,293.86 × 11,795.88
  4. Step 4: Simplify right side
    21,226.92x = 345,546,857.30
  5. Step 5: Solve for x
    x = 345,546,857.30/21,226.92
  6. Step 6: Final answer
    x = 16,278.71

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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.