Home / 11,939.26-17,908.88-4,148.14

Finding the Fourth Proportional to 11,939.26, 17,908.88 and 4,148.14

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Solution

The fourth proportional to 11,939.26, 17,908.88 and 4,148.14 is: 6,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.26 : 17,908.88 = 4,148.14 : x
  2. Step 2: Convert to fraction form
    11,939.26/17,908.88 = 4,148.14/x
  3. Step 3: Cross multiply
    11,939.26x = 17,908.88 × 4,148.14
  4. Step 4: Simplify right side
    11,939.26x = 74,288,541.48
  5. Step 5: Solve for x
    x = 74,288,541.48/11,939.26
  6. Step 6: Final answer
    x = 6,222.21

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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.