Home / 16,690.86-25,016.82-13,576.44

Finding the Fourth Proportional to 16,690.86, 25,016.82 and 13,576.44

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Solution

The fourth proportional to 16,690.86, 25,016.82 and 13,576.44 is: 20,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.86 : 25,016.82 = 13,576.44 : x
  2. Step 2: Convert to fraction form
    16,690.86/25,016.82 = 13,576.44/x
  3. Step 3: Cross multiply
    16,690.86x = 25,016.82 × 13,576.44
  4. Step 4: Simplify right side
    16,690.86x = 339,639,398.62
  5. Step 5: Solve for x
    x = 339,639,398.62/16,690.86
  6. Step 6: Final answer
    x = 20,348.83

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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.