Home / 10,816.20-16,223.10-3,025.80

Finding the Fourth Proportional to 10,816.20, 16,223.10 and 3,025.80

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Solution

The fourth proportional to 10,816.20, 16,223.10 and 3,025.80 is: 4,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.20 : 16,223.10 = 3,025.80 : x
  2. Step 2: Convert to fraction form
    10,816.20/16,223.10 = 3,025.80/x
  3. Step 3: Cross multiply
    10,816.20x = 16,223.10 × 3,025.80
  4. Step 4: Simplify right side
    10,816.20x = 49,087,855.98
  5. Step 5: Solve for x
    x = 49,087,855.98/10,816.20
  6. Step 6: Final answer
    x = 4,538.36

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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.