Home / 18,164.36-27,208.24-8,311.92

Finding the Fourth Proportional to 18,164.36, 27,208.24 and 8,311.92

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Solution

The fourth proportional to 18,164.36, 27,208.24 and 8,311.92 is: 12,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.36 : 27,208.24 = 8,311.92 : x
  2. Step 2: Convert to fraction form
    18,164.36/27,208.24 = 8,311.92/x
  3. Step 3: Cross multiply
    18,164.36x = 27,208.24 × 8,311.92
  4. Step 4: Simplify right side
    18,164.36x = 226,152,714.22
  5. Step 5: Solve for x
    x = 226,152,714.22/18,164.36
  6. Step 6: Final answer
    x = 12,450.35

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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.