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Finding the Fourth Proportional to 8,164.99, 12,218.32 and 7,073.11

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Solution

The fourth proportional to 8,164.99, 12,218.32 and 7,073.11 is: 10,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.99 : 12,218.32 = 7,073.11 : x
  2. Step 2: Convert to fraction form
    8,164.99/12,218.32 = 7,073.11/x
  3. Step 3: Cross multiply
    8,164.99x = 12,218.32 × 7,073.11
  4. Step 4: Simplify right side
    8,164.99x = 86,421,521.38
  5. Step 5: Solve for x
    x = 86,421,521.38/8,164.99
  6. Step 6: Final answer
    x = 10,584.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.