Home / 10,161.36-15,232.32-3,231.36

Finding the Fourth Proportional to 10,161.36, 15,232.32 and 3,231.36

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Solution

The fourth proportional to 10,161.36, 15,232.32 and 3,231.36 is: 4,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.36 : 15,232.32 = 3,231.36 : x
  2. Step 2: Convert to fraction form
    10,161.36/15,232.32 = 3,231.36/x
  3. Step 3: Cross multiply
    10,161.36x = 15,232.32 × 3,231.36
  4. Step 4: Simplify right side
    10,161.36x = 49,221,109.56
  5. Step 5: Solve for x
    x = 49,221,109.56/10,161.36
  6. Step 6: Final answer
    x = 4,843.95

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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.