Home / 18,690.14-27,995.00-8,814.62

Finding the Fourth Proportional to 18,690.14, 27,995.00 and 8,814.62

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Solution

The fourth proportional to 18,690.14, 27,995.00 and 8,814.62 is: 13,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.14 : 27,995.00 = 8,814.62 : x
  2. Step 2: Convert to fraction form
    18,690.14/27,995.00 = 8,814.62/x
  3. Step 3: Cross multiply
    18,690.14x = 27,995.00 × 8,814.62
  4. Step 4: Simplify right side
    18,690.14x = 246,765,168.96
  5. Step 5: Solve for x
    x = 246,765,168.96/18,690.14
  6. Step 6: Final answer
    x = 13,202.96

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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.