Home / 11,830.12-17,756.11-5,990.83

Finding the Fourth Proportional to 11,830.12, 17,756.11 and 5,990.83

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Solution

The fourth proportional to 11,830.12, 17,756.11 and 5,990.83 is: 8,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.12 : 17,756.11 = 5,990.83 : x
  2. Step 2: Convert to fraction form
    11,830.12/17,756.11 = 5,990.83/x
  3. Step 3: Cross multiply
    11,830.12x = 17,756.11 × 5,990.83
  4. Step 4: Simplify right side
    11,830.12x = 106,373,799.57
  5. Step 5: Solve for x
    x = 106,373,799.57/11,830.12
  6. Step 6: Final answer
    x = 8,991.78

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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.