Home / 18,960.38-26,163.35-11,001.07

Finding the Fourth Proportional to 18,960.38, 26,163.35 and 11,001.07

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Solution

The fourth proportional to 18,960.38, 26,163.35 and 11,001.07 is: 15,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.38 : 26,163.35 = 11,001.07 : x
  2. Step 2: Convert to fraction form
    18,960.38/26,163.35 = 11,001.07/x
  3. Step 3: Cross multiply
    18,960.38x = 26,163.35 × 11,001.07
  4. Step 4: Simplify right side
    18,960.38x = 287,824,778.45
  5. Step 5: Solve for x
    x = 287,824,778.45/18,960.38
  6. Step 6: Final answer
    x = 15,180.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.