Home / 17,418.43-26,128.14-4,270.79

Finding the Fourth Proportional to 17,418.43, 26,128.14 and 4,270.79

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Solution

The fourth proportional to 17,418.43, 26,128.14 and 4,270.79 is: 6,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.43 : 26,128.14 = 4,270.79 : x
  2. Step 2: Convert to fraction form
    17,418.43/26,128.14 = 4,270.79/x
  3. Step 3: Cross multiply
    17,418.43x = 26,128.14 × 4,270.79
  4. Step 4: Simplify right side
    17,418.43x = 111,587,884.37
  5. Step 5: Solve for x
    x = 111,587,884.37/17,418.43
  6. Step 6: Final answer
    x = 6,406.31

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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.