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Finding the Fourth Proportional to 8,463.98, 12,700.83 and 6,609.89

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Solution

The fourth proportional to 8,463.98, 12,700.83 and 6,609.89 is: 9,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.98 : 12,700.83 = 6,609.89 : x
  2. Step 2: Convert to fraction form
    8,463.98/12,700.83 = 6,609.89/x
  3. Step 3: Cross multiply
    8,463.98x = 12,700.83 × 6,609.89
  4. Step 4: Simplify right side
    8,463.98x = 83,951,025.70
  5. Step 5: Solve for x
    x = 83,951,025.70/8,463.98
  6. Step 6: Final answer
    x = 9,918.63

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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.