Home / 11,689.11-17,530.38-3,366.86

Finding the Fourth Proportional to 11,689.11, 17,530.38 and 3,366.86

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Solution

The fourth proportional to 11,689.11, 17,530.38 and 3,366.86 is: 5,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.11 : 17,530.38 = 3,366.86 : x
  2. Step 2: Convert to fraction form
    11,689.11/17,530.38 = 3,366.86/x
  3. Step 3: Cross multiply
    11,689.11x = 17,530.38 × 3,366.86
  4. Step 4: Simplify right side
    11,689.11x = 59,022,247.55
  5. Step 5: Solve for x
    x = 59,022,247.55/11,689.11
  6. Step 6: Final answer
    x = 5,049.34

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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.