Home / 9,127.13-13,694.81-5,231.54

Finding the Fourth Proportional to 9,127.13, 13,694.81 and 5,231.54

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Solution

The fourth proportional to 9,127.13, 13,694.81 and 5,231.54 is: 7,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.13 : 13,694.81 = 5,231.54 : x
  2. Step 2: Convert to fraction form
    9,127.13/13,694.81 = 5,231.54/x
  3. Step 3: Cross multiply
    9,127.13x = 13,694.81 × 5,231.54
  4. Step 4: Simplify right side
    9,127.13x = 71,644,851.68
  5. Step 5: Solve for x
    x = 71,644,851.68/9,127.13
  6. Step 6: Final answer
    x = 7,849.66

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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.