Home / 16,982.36-25,426.31-8,644.42

Finding the Fourth Proportional to 16,982.36, 25,426.31 and 8,644.42

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Solution

The fourth proportional to 16,982.36, 25,426.31 and 8,644.42 is: 12,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.36 : 25,426.31 = 8,644.42 : x
  2. Step 2: Convert to fraction form
    16,982.36/25,426.31 = 8,644.42/x
  3. Step 3: Cross multiply
    16,982.36x = 25,426.31 × 8,644.42
  4. Step 4: Simplify right side
    16,982.36x = 219,795,691.25
  5. Step 5: Solve for x
    x = 219,795,691.25/16,982.36
  6. Step 6: Final answer
    x = 12,942.59

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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.