Home / 17,986.32-26,981.82-6,745.32

Finding the Fourth Proportional to 17,986.32, 26,981.82 and 6,745.32

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Solution

The fourth proportional to 17,986.32, 26,981.82 and 6,745.32 is: 10,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.32 : 26,981.82 = 6,745.32 : x
  2. Step 2: Convert to fraction form
    17,986.32/26,981.82 = 6,745.32/x
  3. Step 3: Cross multiply
    17,986.32x = 26,981.82 × 6,745.32
  4. Step 4: Simplify right side
    17,986.32x = 182,001,010.08
  5. Step 5: Solve for x
    x = 182,001,010.08/17,986.32
  6. Step 6: Final answer
    x = 10,118.86

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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.