Home / 10,108.22-15,161.81-3,867.75

Finding the Fourth Proportional to 10,108.22, 15,161.81 and 3,867.75

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Solution

The fourth proportional to 10,108.22, 15,161.81 and 3,867.75 is: 5,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.22 : 15,161.81 = 3,867.75 : x
  2. Step 2: Convert to fraction form
    10,108.22/15,161.81 = 3,867.75/x
  3. Step 3: Cross multiply
    10,108.22x = 15,161.81 × 3,867.75
  4. Step 4: Simplify right side
    10,108.22x = 58,642,082.17
  5. Step 5: Solve for x
    x = 58,642,082.17/10,108.22
  6. Step 6: Final answer
    x = 5,801.43

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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.