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Finding the Fourth Proportional to 8,668.01, 13,031.02 and 6,841.15

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Solution

The fourth proportional to 8,668.01, 13,031.02 and 6,841.15 is: 10,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.01 : 13,031.02 = 6,841.15 : x
  2. Step 2: Convert to fraction form
    8,668.01/13,031.02 = 6,841.15/x
  3. Step 3: Cross multiply
    8,668.01x = 13,031.02 × 6,841.15
  4. Step 4: Simplify right side
    8,668.01x = 89,147,138.45
  5. Step 5: Solve for x
    x = 89,147,138.45/8,668.01
  6. Step 6: Final answer
    x = 10,284.61

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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.