Home / 11,939.27-17,908.92-4,148.10

Finding the Fourth Proportional to 11,939.27, 17,908.92 and 4,148.10

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Solution

The fourth proportional to 11,939.27, 17,908.92 and 4,148.10 is: 6,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.27 : 17,908.92 = 4,148.10 : x
  2. Step 2: Convert to fraction form
    11,939.27/17,908.92 = 4,148.10/x
  3. Step 3: Cross multiply
    11,939.27x = 17,908.92 × 4,148.10
  4. Step 4: Simplify right side
    11,939.27x = 74,287,991.05
  5. Step 5: Solve for x
    x = 74,287,991.05/11,939.27
  6. Step 6: Final answer
    x = 6,222.16

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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.