Home / 13,226.09-19,836.95-3,863.88

Finding the Fourth Proportional to 13,226.09, 19,836.95 and 3,863.88

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Solution

The fourth proportional to 13,226.09, 19,836.95 and 3,863.88 is: 5,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.09 : 19,836.95 = 3,863.88 : x
  2. Step 2: Convert to fraction form
    13,226.09/19,836.95 = 3,863.88/x
  3. Step 3: Cross multiply
    13,226.09x = 19,836.95 × 3,863.88
  4. Step 4: Simplify right side
    13,226.09x = 76,647,575.05
  5. Step 5: Solve for x
    x = 76,647,575.05/13,226.09
  6. Step 6: Final answer
    x = 5,795.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.