Home / 12,943.22-19,414.83-4,179.43

Finding the Fourth Proportional to 12,943.22, 19,414.83 and 4,179.43

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Solution

The fourth proportional to 12,943.22, 19,414.83 and 4,179.43 is: 6,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.22 : 19,414.83 = 4,179.43 : x
  2. Step 2: Convert to fraction form
    12,943.22/19,414.83 = 4,179.43/x
  3. Step 3: Cross multiply
    12,943.22x = 19,414.83 × 4,179.43
  4. Step 4: Simplify right side
    12,943.22x = 81,142,874.41
  5. Step 5: Solve for x
    x = 81,142,874.41/12,943.22
  6. Step 6: Final answer
    x = 6,269.14

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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.