Home / 18,467.21-27,698.38-5,141.09

Finding the Fourth Proportional to 18,467.21, 27,698.38 and 5,141.09

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Solution

The fourth proportional to 18,467.21, 27,698.38 and 5,141.09 is: 7,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.21 : 27,698.38 = 5,141.09 : x
  2. Step 2: Convert to fraction form
    18,467.21/27,698.38 = 5,141.09/x
  3. Step 3: Cross multiply
    18,467.21x = 27,698.38 × 5,141.09
  4. Step 4: Simplify right side
    18,467.21x = 142,399,864.43
  5. Step 5: Solve for x
    x = 142,399,864.43/18,467.21
  6. Step 6: Final answer
    x = 7,710.96

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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.