Home / 10,161.33-15,243.41-3,141.91

Finding the Fourth Proportional to 10,161.33, 15,243.41 and 3,141.91

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Solution

The fourth proportional to 10,161.33, 15,243.41 and 3,141.91 is: 4,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.33 : 15,243.41 = 3,141.91 : x
  2. Step 2: Convert to fraction form
    10,161.33/15,243.41 = 3,141.91/x
  3. Step 3: Cross multiply
    10,161.33x = 15,243.41 × 3,141.91
  4. Step 4: Simplify right side
    10,161.33x = 47,893,422.31
  5. Step 5: Solve for x
    x = 47,893,422.31/10,161.33
  6. Step 6: Final answer
    x = 4,713.30

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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.