Home / 17,243.40-23,789.96-11,201.20

Finding the Fourth Proportional to 17,243.40, 23,789.96 and 11,201.20

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Solution

The fourth proportional to 17,243.40, 23,789.96 and 11,201.20 is: 15,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.40 : 23,789.96 = 11,201.20 : x
  2. Step 2: Convert to fraction form
    17,243.40/23,789.96 = 11,201.20/x
  3. Step 3: Cross multiply
    17,243.40x = 23,789.96 × 11,201.20
  4. Step 4: Simplify right side
    17,243.40x = 266,476,099.95
  5. Step 5: Solve for x
    x = 266,476,099.95/17,243.40
  6. Step 6: Final answer
    x = 15,453.80

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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.