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Finding the Fourth Proportional to 11,395.79, 17,098.81 and 7,234.68

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Solution

The fourth proportional to 11,395.79, 17,098.81 and 7,234.68 is: 10,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.79 : 17,098.81 = 7,234.68 : x
  2. Step 2: Convert to fraction form
    11,395.79/17,098.81 = 7,234.68/x
  3. Step 3: Cross multiply
    11,395.79x = 17,098.81 × 7,234.68
  4. Step 4: Simplify right side
    11,395.79x = 123,704,418.73
  5. Step 5: Solve for x
    x = 123,704,418.73/11,395.79
  6. Step 6: Final answer
    x = 10,855.28

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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.