Home / 11,418.48-17,126.46-4,021.56

Finding the Fourth Proportional to 11,418.48, 17,126.46 and 4,021.56

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Solution

The fourth proportional to 11,418.48, 17,126.46 and 4,021.56 is: 6,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.48 : 17,126.46 = 4,021.56 : x
  2. Step 2: Convert to fraction form
    11,418.48/17,126.46 = 4,021.56/x
  3. Step 3: Cross multiply
    11,418.48x = 17,126.46 × 4,021.56
  4. Step 4: Simplify right side
    11,418.48x = 68,875,086.48
  5. Step 5: Solve for x
    x = 68,875,086.48/11,418.48
  6. Step 6: Final answer
    x = 6,031.90

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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.