Home / 10,834.59-16,251.89-3,909.09

Finding the Fourth Proportional to 10,834.59, 16,251.89 and 3,909.09

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Solution

The fourth proportional to 10,834.59, 16,251.89 and 3,909.09 is: 5,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.59 : 16,251.89 = 3,909.09 : x
  2. Step 2: Convert to fraction form
    10,834.59/16,251.89 = 3,909.09/x
  3. Step 3: Cross multiply
    10,834.59x = 16,251.89 × 3,909.09
  4. Step 4: Simplify right side
    10,834.59x = 63,530,100.68
  5. Step 5: Solve for x
    x = 63,530,100.68/10,834.59
  6. Step 6: Final answer
    x = 5,863.64

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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.