Home / 12,906.08-19,362.32-3,672

Finding the Fourth Proportional to 12,906.08, 19,362.32 and 3,672

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Solution

The fourth proportional to 12,906.08, 19,362.32 and 3,672 is: 5,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.08 : 19,362.32 = 3,672 : x
  2. Step 2: Convert to fraction form
    12,906.08/19,362.32 = 3,672/x
  3. Step 3: Cross multiply
    12,906.08x = 19,362.32 × 3,672
  4. Step 4: Simplify right side
    12,906.08x = 71,098,439.04
  5. Step 5: Solve for x
    x = 71,098,439.04/12,906.08
  6. Step 6: Final answer
    x = 5,508.91

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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.