Home / 17,745.06-26,622.09-6,651.78

Finding the Fourth Proportional to 17,745.06, 26,622.09 and 6,651.78

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Solution

The fourth proportional to 17,745.06, 26,622.09 and 6,651.78 is: 9,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.06 : 26,622.09 = 6,651.78 : x
  2. Step 2: Convert to fraction form
    17,745.06/26,622.09 = 6,651.78/x
  3. Step 3: Cross multiply
    17,745.06x = 26,622.09 × 6,651.78
  4. Step 4: Simplify right side
    17,745.06x = 177,084,285.82
  5. Step 5: Solve for x
    x = 177,084,285.82/17,745.06
  6. Step 6: Final answer
    x = 9,979.36

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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.