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Finding the Fourth Proportional to 17,996.84, 27,001.74 and 6,311.84

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Solution

The fourth proportional to 17,996.84, 27,001.74 and 6,311.84 is: 9,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.84 : 27,001.74 = 6,311.84 : x
  2. Step 2: Convert to fraction form
    17,996.84/27,001.74 = 6,311.84/x
  3. Step 3: Cross multiply
    17,996.84x = 27,001.74 × 6,311.84
  4. Step 4: Simplify right side
    17,996.84x = 170,430,662.60
  5. Step 5: Solve for x
    x = 170,430,662.60/17,996.84
  6. Step 6: Final answer
    x = 9,470.03

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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.