Home / 17,977.97-26,979.21-6,291.09

Finding the Fourth Proportional to 17,977.97, 26,979.21 and 6,291.09

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Solution

The fourth proportional to 17,977.97, 26,979.21 and 6,291.09 is: 9,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.97 : 26,979.21 = 6,291.09 : x
  2. Step 2: Convert to fraction form
    17,977.97/26,979.21 = 6,291.09/x
  3. Step 3: Cross multiply
    17,977.97x = 26,979.21 × 6,291.09
  4. Step 4: Simplify right side
    17,977.97x = 169,728,638.24
  5. Step 5: Solve for x
    x = 169,728,638.24/17,977.97
  6. Step 6: Final answer
    x = 9,440.92

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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.