Home / 10,940.20-16,406.70-4,013.80

Finding the Fourth Proportional to 10,940.20, 16,406.70 and 4,013.80

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Solution

The fourth proportional to 10,940.20, 16,406.70 and 4,013.80 is: 6,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.20 : 16,406.70 = 4,013.80 : x
  2. Step 2: Convert to fraction form
    10,940.20/16,406.70 = 4,013.80/x
  3. Step 3: Cross multiply
    10,940.20x = 16,406.70 × 4,013.80
  4. Step 4: Simplify right side
    10,940.20x = 65,853,212.46
  5. Step 5: Solve for x
    x = 65,853,212.46/10,940.20
  6. Step 6: Final answer
    x = 6,019.38

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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.