Home / 11,993.04-17,998.92-8,321.13

Finding the Fourth Proportional to 11,993.04, 17,998.92 and 8,321.13

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Solution

The fourth proportional to 11,993.04, 17,998.92 and 8,321.13 is: 12,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.04 : 17,998.92 = 8,321.13 : x
  2. Step 2: Convert to fraction form
    11,993.04/17,998.92 = 8,321.13/x
  3. Step 3: Cross multiply
    11,993.04x = 17,998.92 × 8,321.13
  4. Step 4: Simplify right side
    11,993.04x = 149,771,353.18
  5. Step 5: Solve for x
    x = 149,771,353.18/11,993.04
  6. Step 6: Final answer
    x = 12,488.19

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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.