Home / 16,871.12-25,290.36-8,103.92

Finding the Fourth Proportional to 16,871.12, 25,290.36 and 8,103.92

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Solution

The fourth proportional to 16,871.12, 25,290.36 and 8,103.92 is: 12,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.12 : 25,290.36 = 8,103.92 : x
  2. Step 2: Convert to fraction form
    16,871.12/25,290.36 = 8,103.92/x
  3. Step 3: Cross multiply
    16,871.12x = 25,290.36 × 8,103.92
  4. Step 4: Simplify right side
    16,871.12x = 204,951,054.21
  5. Step 5: Solve for x
    x = 204,951,054.21/16,871.12
  6. Step 6: Final answer
    x = 12,148.04

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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.