Home / 15,138.20-22,707.03-6,812.33

Finding the Fourth Proportional to 15,138.20, 22,707.03 and 6,812.33

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Solution

The fourth proportional to 15,138.20, 22,707.03 and 6,812.33 is: 10,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.20 : 22,707.03 = 6,812.33 : x
  2. Step 2: Convert to fraction form
    15,138.20/22,707.03 = 6,812.33/x
  3. Step 3: Cross multiply
    15,138.20x = 22,707.03 × 6,812.33
  4. Step 4: Simplify right side
    15,138.20x = 154,687,668.14
  5. Step 5: Solve for x
    x = 154,687,668.14/15,138.20
  6. Step 6: Final answer
    x = 10,218.37

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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.