Home / 12,671.22-19,006.83-3,906.14

Finding the Fourth Proportional to 12,671.22, 19,006.83 and 3,906.14

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Solution

The fourth proportional to 12,671.22, 19,006.83 and 3,906.14 is: 5,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.22 : 19,006.83 = 3,906.14 : x
  2. Step 2: Convert to fraction form
    12,671.22/19,006.83 = 3,906.14/x
  3. Step 3: Cross multiply
    12,671.22x = 19,006.83 × 3,906.14
  4. Step 4: Simplify right side
    12,671.22x = 74,243,338.94
  5. Step 5: Solve for x
    x = 74,243,338.94/12,671.22
  6. Step 6: Final answer
    x = 5,859.21

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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.