Home / 17,383.68-23,998.80-13,425.28

Finding the Fourth Proportional to 17,383.68, 23,998.80 and 13,425.28

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Solution

The fourth proportional to 17,383.68, 23,998.80 and 13,425.28 is: 18,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.68 : 23,998.80 = 13,425.28 : x
  2. Step 2: Convert to fraction form
    17,383.68/23,998.80 = 13,425.28/x
  3. Step 3: Cross multiply
    17,383.68x = 23,998.80 × 13,425.28
  4. Step 4: Simplify right side
    17,383.68x = 322,190,609.66
  5. Step 5: Solve for x
    x = 322,190,609.66/17,383.68
  6. Step 6: Final answer
    x = 18,534.09

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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.