Home / 13,584.82-18,736.41-9,107.14

Finding the Fourth Proportional to 13,584.82, 18,736.41 and 9,107.14

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Solution

The fourth proportional to 13,584.82, 18,736.41 and 9,107.14 is: 12,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.82 : 18,736.41 = 9,107.14 : x
  2. Step 2: Convert to fraction form
    13,584.82/18,736.41 = 9,107.14/x
  3. Step 3: Cross multiply
    13,584.82x = 18,736.41 × 9,107.14
  4. Step 4: Simplify right side
    13,584.82x = 170,635,108.97
  5. Step 5: Solve for x
    x = 170,635,108.97/13,584.82
  6. Step 6: Final answer
    x = 12,560.72

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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.