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Finding the Fourth Proportional to 17,859.70, 26,794.74 and 7,996.67

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Solution

The fourth proportional to 17,859.70, 26,794.74 and 7,996.67 is: 11,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.70 : 26,794.74 = 7,996.67 : x
  2. Step 2: Convert to fraction form
    17,859.70/26,794.74 = 7,996.67/x
  3. Step 3: Cross multiply
    17,859.70x = 26,794.74 × 7,996.67
  4. Step 4: Simplify right side
    17,859.70x = 214,268,690.01
  5. Step 5: Solve for x
    x = 214,268,690.01/17,859.70
  6. Step 6: Final answer
    x = 11,997.33

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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.