Home / 9,939.09-14,911.41-3,365.78

Finding the Fourth Proportional to 9,939.09, 14,911.41 and 3,365.78

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Solution

The fourth proportional to 9,939.09, 14,911.41 and 3,365.78 is: 5,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.09 : 14,911.41 = 3,365.78 : x
  2. Step 2: Convert to fraction form
    9,939.09/14,911.41 = 3,365.78/x
  3. Step 3: Cross multiply
    9,939.09x = 14,911.41 × 3,365.78
  4. Step 4: Simplify right side
    9,939.09x = 50,188,450.99
  5. Step 5: Solve for x
    x = 50,188,450.99/9,939.09
  6. Step 6: Final answer
    x = 5,049.60

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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.