Home / 12,874.46-19,344.05-8,196.56

Finding the Fourth Proportional to 12,874.46, 19,344.05 and 8,196.56

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Solution

The fourth proportional to 12,874.46, 19,344.05 and 8,196.56 is: 12,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.46 : 19,344.05 = 8,196.56 : x
  2. Step 2: Convert to fraction form
    12,874.46/19,344.05 = 8,196.56/x
  3. Step 3: Cross multiply
    12,874.46x = 19,344.05 × 8,196.56
  4. Step 4: Simplify right side
    12,874.46x = 158,554,625.49
  5. Step 5: Solve for x
    x = 158,554,625.49/12,874.46
  6. Step 6: Final answer
    x = 12,315.44

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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.