Home / 10,806.50-16,209.75-8,344.91

Finding the Fourth Proportional to 10,806.50, 16,209.75 and 8,344.91

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Solution

The fourth proportional to 10,806.50, 16,209.75 and 8,344.91 is: 12,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.50 : 16,209.75 = 8,344.91 : x
  2. Step 2: Convert to fraction form
    10,806.50/16,209.75 = 8,344.91/x
  3. Step 3: Cross multiply
    10,806.50x = 16,209.75 × 8,344.91
  4. Step 4: Simplify right side
    10,806.50x = 135,268,833.05
  5. Step 5: Solve for x
    x = 135,268,833.05/10,806.50
  6. Step 6: Final answer
    x = 12,517.36

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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.