Home / 17,286.82-23,842.29-13,318.90

Finding the Fourth Proportional to 17,286.82, 23,842.29 and 13,318.90

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Solution

The fourth proportional to 17,286.82, 23,842.29 and 13,318.90 is: 18,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.82 : 23,842.29 = 13,318.90 : x
  2. Step 2: Convert to fraction form
    17,286.82/23,842.29 = 13,318.90/x
  3. Step 3: Cross multiply
    17,286.82x = 23,842.29 × 13,318.90
  4. Step 4: Simplify right side
    17,286.82x = 317,553,076.28
  5. Step 5: Solve for x
    x = 317,553,076.28/17,286.82
  6. Step 6: Final answer
    x = 18,369.66

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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.