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Finding the Fourth Proportional to 11,668.84, 17,508.44 and 6,120.88

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Solution

The fourth proportional to 11,668.84, 17,508.44 and 6,120.88 is: 9,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.84 : 17,508.44 = 6,120.88 : x
  2. Step 2: Convert to fraction form
    11,668.84/17,508.44 = 6,120.88/x
  3. Step 3: Cross multiply
    11,668.84x = 17,508.44 × 6,120.88
  4. Step 4: Simplify right side
    11,668.84x = 107,167,060.23
  5. Step 5: Solve for x
    x = 107,167,060.23/11,668.84
  6. Step 6: Final answer
    x = 9,184.04

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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.