Home / 10,811.80-16,195.14-5,601.88

Finding the Fourth Proportional to 10,811.80, 16,195.14 and 5,601.88

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Solution

The fourth proportional to 10,811.80, 16,195.14 and 5,601.88 is: 8,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.80 : 16,195.14 = 5,601.88 : x
  2. Step 2: Convert to fraction form
    10,811.80/16,195.14 = 5,601.88/x
  3. Step 3: Cross multiply
    10,811.80x = 16,195.14 × 5,601.88
  4. Step 4: Simplify right side
    10,811.80x = 90,723,230.86
  5. Step 5: Solve for x
    x = 90,723,230.86/10,811.80
  6. Step 6: Final answer
    x = 8,391.13

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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.