Home / 12,672.06-19,006.05-3,787.26

Finding the Fourth Proportional to 12,672.06, 19,006.05 and 3,787.26

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Solution

The fourth proportional to 12,672.06, 19,006.05 and 3,787.26 is: 5,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.06 : 19,006.05 = 3,787.26 : x
  2. Step 2: Convert to fraction form
    12,672.06/19,006.05 = 3,787.26/x
  3. Step 3: Cross multiply
    12,672.06x = 19,006.05 × 3,787.26
  4. Step 4: Simplify right side
    12,672.06x = 71,980,852.92
  5. Step 5: Solve for x
    x = 71,980,852.92/12,672.06
  6. Step 6: Final answer
    x = 5,680.28

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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.