Home / 17,212.08-23,760.54-13,231.80

Finding the Fourth Proportional to 17,212.08, 23,760.54 and 13,231.80

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Solution

The fourth proportional to 17,212.08, 23,760.54 and 13,231.80 is: 18,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.08 : 23,760.54 = 13,231.80 : x
  2. Step 2: Convert to fraction form
    17,212.08/23,760.54 = 13,231.80/x
  3. Step 3: Cross multiply
    17,212.08x = 23,760.54 × 13,231.80
  4. Step 4: Simplify right side
    17,212.08x = 314,394,713.17
  5. Step 5: Solve for x
    x = 314,394,713.17/17,212.08
  6. Step 6: Final answer
    x = 18,265.93

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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.