Home / 18,839.72-26,004.42-11,290.92

Finding the Fourth Proportional to 18,839.72, 26,004.42 and 11,290.92

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Solution

The fourth proportional to 18,839.72, 26,004.42 and 11,290.92 is: 15,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.72 : 26,004.42 = 11,290.92 : x
  2. Step 2: Convert to fraction form
    18,839.72/26,004.42 = 11,290.92/x
  3. Step 3: Cross multiply
    18,839.72x = 26,004.42 × 11,290.92
  4. Step 4: Simplify right side
    18,839.72x = 293,613,825.87
  5. Step 5: Solve for x
    x = 293,613,825.87/18,839.72
  6. Step 6: Final answer
    x = 15,584.83

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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.