Home / 12,252.39-18,377.32-3,938.37

Finding the Fourth Proportional to 12,252.39, 18,377.32 and 3,938.37

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Solution

The fourth proportional to 12,252.39, 18,377.32 and 3,938.37 is: 5,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.39 : 18,377.32 = 3,938.37 : x
  2. Step 2: Convert to fraction form
    12,252.39/18,377.32 = 3,938.37/x
  3. Step 3: Cross multiply
    12,252.39x = 18,377.32 × 3,938.37
  4. Step 4: Simplify right side
    12,252.39x = 72,376,685.77
  5. Step 5: Solve for x
    x = 72,376,685.77/12,252.39
  6. Step 6: Final answer
    x = 5,907.15

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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.