Home / 17,986.38-26,979.82-6,893.64

Finding the Fourth Proportional to 17,986.38, 26,979.82 and 6,893.64

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Solution

The fourth proportional to 17,986.38, 26,979.82 and 6,893.64 is: 10,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.38 : 26,979.82 = 6,893.64 : x
  2. Step 2: Convert to fraction form
    17,986.38/26,979.82 = 6,893.64/x
  3. Step 3: Cross multiply
    17,986.38x = 26,979.82 × 6,893.64
  4. Step 4: Simplify right side
    17,986.38x = 185,989,166.34
  5. Step 5: Solve for x
    x = 185,989,166.34/17,986.38
  6. Step 6: Final answer
    x = 10,340.56

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1.5x scale

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.