Home / 13,846.88-20,727.92-12,808.73

Finding the Fourth Proportional to 13,846.88, 20,727.92 and 12,808.73

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Solution

The fourth proportional to 13,846.88, 20,727.92 and 12,808.73 is: 19,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.88 : 20,727.92 = 12,808.73 : x
  2. Step 2: Convert to fraction form
    13,846.88/20,727.92 = 12,808.73/x
  3. Step 3: Cross multiply
    13,846.88x = 20,727.92 × 12,808.73
  4. Step 4: Simplify right side
    13,846.88x = 265,498,414.58
  5. Step 5: Solve for x
    x = 265,498,414.58/13,846.88
  6. Step 6: Final answer
    x = 19,173.88

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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.