Home / 18,165.72-27,233.87-5,679.32

Finding the Fourth Proportional to 18,165.72, 27,233.87 and 5,679.32

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Solution

The fourth proportional to 18,165.72, 27,233.87 and 5,679.32 is: 8,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.72 : 27,233.87 = 5,679.32 : x
  2. Step 2: Convert to fraction form
    18,165.72/27,233.87 = 5,679.32/x
  3. Step 3: Cross multiply
    18,165.72x = 27,233.87 × 5,679.32
  4. Step 4: Simplify right side
    18,165.72x = 154,669,698.00
  5. Step 5: Solve for x
    x = 154,669,698.00/18,165.72
  6. Step 6: Final answer
    x = 8,514.37

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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.