Home / 8,154.03-12,231.03-1,998.03

Finding the Fourth Proportional to 8,154.03, 12,231.03 and 1,998.03

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Solution

The fourth proportional to 8,154.03, 12,231.03 and 1,998.03 is: 2,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.03 : 12,231.03 = 1,998.03 : x
  2. Step 2: Convert to fraction form
    8,154.03/12,231.03 = 1,998.03/x
  3. Step 3: Cross multiply
    8,154.03x = 12,231.03 × 1,998.03
  4. Step 4: Simplify right side
    8,154.03x = 24,437,964.87
  5. Step 5: Solve for x
    x = 24,437,964.87/8,154.03
  6. Step 6: Final answer
    x = 2,997.04

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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.