Home / 11,952.09-17,908.19-8,436.33

Finding the Fourth Proportional to 11,952.09, 17,908.19 and 8,436.33

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Solution

The fourth proportional to 11,952.09, 17,908.19 and 8,436.33 is: 12,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.09 : 17,908.19 = 8,436.33 : x
  2. Step 2: Convert to fraction form
    11,952.09/17,908.19 = 8,436.33/x
  3. Step 3: Cross multiply
    11,952.09x = 17,908.19 × 8,436.33
  4. Step 4: Simplify right side
    11,952.09x = 151,079,358.36
  5. Step 5: Solve for x
    x = 151,079,358.36/11,952.09
  6. Step 6: Final answer
    x = 12,640.41

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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.