Home / 10,161.13-15,242.37-3,921.22

Finding the Fourth Proportional to 10,161.13, 15,242.37 and 3,921.22

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Solution

The fourth proportional to 10,161.13, 15,242.37 and 3,921.22 is: 5,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.13 : 15,242.37 = 3,921.22 : x
  2. Step 2: Convert to fraction form
    10,161.13/15,242.37 = 3,921.22/x
  3. Step 3: Cross multiply
    10,161.13x = 15,242.37 × 3,921.22
  4. Step 4: Simplify right side
    10,161.13x = 59,768,686.09
  5. Step 5: Solve for x
    x = 59,768,686.09/10,161.13
  6. Step 6: Final answer
    x = 5,882.09

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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.