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Finding the Fourth Proportional to 8,675.00, 12,992.79 and 6,789.14

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Solution

The fourth proportional to 8,675.00, 12,992.79 and 6,789.14 is: 10,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.00 : 12,992.79 = 6,789.14 : x
  2. Step 2: Convert to fraction form
    8,675.00/12,992.79 = 6,789.14/x
  3. Step 3: Cross multiply
    8,675.00x = 12,992.79 × 6,789.14
  4. Step 4: Simplify right side
    8,675.00x = 88,209,771.39
  5. Step 5: Solve for x
    x = 88,209,771.39/8,675.00
  6. Step 6: Final answer
    x = 10,168.28

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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.