Home / 11,909.43-17,863.39-3,589.72

Finding the Fourth Proportional to 11,909.43, 17,863.39 and 3,589.72

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Solution

The fourth proportional to 11,909.43, 17,863.39 and 3,589.72 is: 5,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.43 : 17,863.39 = 3,589.72 : x
  2. Step 2: Convert to fraction form
    11,909.43/17,863.39 = 3,589.72/x
  3. Step 3: Cross multiply
    11,909.43x = 17,863.39 × 3,589.72
  4. Step 4: Simplify right side
    11,909.43x = 64,124,507.99
  5. Step 5: Solve for x
    x = 64,124,507.99/11,909.43
  6. Step 6: Final answer
    x = 5,384.35

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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.