Home / 11,589.21-17,379.45-4,191.84

Finding the Fourth Proportional to 11,589.21, 17,379.45 and 4,191.84

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Solution

The fourth proportional to 11,589.21, 17,379.45 and 4,191.84 is: 6,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.21 : 17,379.45 = 4,191.84 : x
  2. Step 2: Convert to fraction form
    11,589.21/17,379.45 = 4,191.84/x
  3. Step 3: Cross multiply
    11,589.21x = 17,379.45 × 4,191.84
  4. Step 4: Simplify right side
    11,589.21x = 72,851,873.69
  5. Step 5: Solve for x
    x = 72,851,873.69/11,589.21
  6. Step 6: Final answer
    x = 6,286.18

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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.