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Finding the Fourth Proportional to 11,704.96, 16,152.86 and 6,668.96

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Solution

The fourth proportional to 11,704.96, 16,152.86 and 6,668.96 is: 9,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.96 : 16,152.86 = 6,668.96 : x
  2. Step 2: Convert to fraction form
    11,704.96/16,152.86 = 6,668.96/x
  3. Step 3: Cross multiply
    11,704.96x = 16,152.86 × 6,668.96
  4. Step 4: Simplify right side
    11,704.96x = 107,722,777.23
  5. Step 5: Solve for x
    x = 107,722,777.23/11,704.96
  6. Step 6: Final answer
    x = 9,203.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.