Home / 12,734.78-19,105.49-4,837.44

Finding the Fourth Proportional to 12,734.78, 19,105.49 and 4,837.44

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Solution

The fourth proportional to 12,734.78, 19,105.49 and 4,837.44 is: 7,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.78 : 19,105.49 = 4,837.44 : x
  2. Step 2: Convert to fraction form
    12,734.78/19,105.49 = 4,837.44/x
  3. Step 3: Cross multiply
    12,734.78x = 19,105.49 × 4,837.44
  4. Step 4: Simplify right side
    12,734.78x = 92,421,637.36
  5. Step 5: Solve for x
    x = 92,421,637.36/12,734.78
  6. Step 6: Final answer
    x = 7,257.42

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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.