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Finding the Fourth Proportional to 8,496.78, 12,754.89 and 8,010.78

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Solution

The fourth proportional to 8,496.78, 12,754.89 and 8,010.78 is: 12,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.78 : 12,754.89 = 8,010.78 : x
  2. Step 2: Convert to fraction form
    8,496.78/12,754.89 = 8,010.78/x
  3. Step 3: Cross multiply
    8,496.78x = 12,754.89 × 8,010.78
  4. Step 4: Simplify right side
    8,496.78x = 102,176,617.71
  5. Step 5: Solve for x
    x = 102,176,617.71/8,496.78
  6. Step 6: Final answer
    x = 12,025.33

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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.