Home / 17,755.57-26,626.44-6,656.20

Finding the Fourth Proportional to 17,755.57, 26,626.44 and 6,656.20

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Solution

The fourth proportional to 17,755.57, 26,626.44 and 6,656.20 is: 9,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.57 : 26,626.44 = 6,656.20 : x
  2. Step 2: Convert to fraction form
    17,755.57/26,626.44 = 6,656.20/x
  3. Step 3: Cross multiply
    17,755.57x = 26,626.44 × 6,656.20
  4. Step 4: Simplify right side
    17,755.57x = 177,230,961.93
  5. Step 5: Solve for x
    x = 177,230,961.93/17,755.57
  6. Step 6: Final answer
    x = 9,981.71

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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.