Home / 10,161.05-15,243.87-3,587.28

Finding the Fourth Proportional to 10,161.05, 15,243.87 and 3,587.28

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Solution

The fourth proportional to 10,161.05, 15,243.87 and 3,587.28 is: 5,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.05 : 15,243.87 = 3,587.28 : x
  2. Step 2: Convert to fraction form
    10,161.05/15,243.87 = 3,587.28/x
  3. Step 3: Cross multiply
    10,161.05x = 15,243.87 × 3,587.28
  4. Step 4: Simplify right side
    10,161.05x = 54,684,029.97
  5. Step 5: Solve for x
    x = 54,684,029.97/10,161.05
  6. Step 6: Final answer
    x = 5,381.73

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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.