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Finding the Fourth Proportional to 8,656.29, 12,984.44 and 6,731.73

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Solution

The fourth proportional to 8,656.29, 12,984.44 and 6,731.73 is: 10,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.29 : 12,984.44 = 6,731.73 : x
  2. Step 2: Convert to fraction form
    8,656.29/12,984.44 = 6,731.73/x
  3. Step 3: Cross multiply
    8,656.29x = 12,984.44 × 6,731.73
  4. Step 4: Simplify right side
    8,656.29x = 87,407,710.62
  5. Step 5: Solve for x
    x = 87,407,710.62/8,656.29
  6. Step 6: Final answer
    x = 10,097.60

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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.