Home / 18,257.46-27,317.82-13,004.64

Finding the Fourth Proportional to 18,257.46, 27,317.82 and 13,004.64

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Solution

The fourth proportional to 18,257.46, 27,317.82 and 13,004.64 is: 19,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.46 : 27,317.82 = 13,004.64 : x
  2. Step 2: Convert to fraction form
    18,257.46/27,317.82 = 13,004.64/x
  3. Step 3: Cross multiply
    18,257.46x = 27,317.82 × 13,004.64
  4. Step 4: Simplify right side
    18,257.46x = 355,258,414.68
  5. Step 5: Solve for x
    x = 355,258,414.68/18,257.46
  6. Step 6: Final answer
    x = 19,458.26

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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.