Home / 11,434.38-17,121.54-9,201.36

Finding the Fourth Proportional to 11,434.38, 17,121.54 and 9,201.36

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Solution

The fourth proportional to 11,434.38, 17,121.54 and 9,201.36 is: 13,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.38 : 17,121.54 = 9,201.36 : x
  2. Step 2: Convert to fraction form
    11,434.38/17,121.54 = 9,201.36/x
  3. Step 3: Cross multiply
    11,434.38x = 17,121.54 × 9,201.36
  4. Step 4: Simplify right side
    11,434.38x = 157,541,453.29
  5. Step 5: Solve for x
    x = 157,541,453.29/11,434.38
  6. Step 6: Final answer
    x = 13,777.87

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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.