Home / 10,816.02-16,229.03-4,243.95

Finding the Fourth Proportional to 10,816.02, 16,229.03 and 4,243.95

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Solution

The fourth proportional to 10,816.02, 16,229.03 and 4,243.95 is: 6,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.02 : 16,229.03 = 4,243.95 : x
  2. Step 2: Convert to fraction form
    10,816.02/16,229.03 = 4,243.95/x
  3. Step 3: Cross multiply
    10,816.02x = 16,229.03 × 4,243.95
  4. Step 4: Simplify right side
    10,816.02x = 68,875,170.65
  5. Step 5: Solve for x
    x = 68,875,170.65/10,816.02
  6. Step 6: Final answer
    x = 6,367.88

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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.