Home / 18,279.48-27,419.94-8,282.28

Finding the Fourth Proportional to 18,279.48, 27,419.94 and 8,282.28

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Solution

The fourth proportional to 18,279.48, 27,419.94 and 8,282.28 is: 12,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.48 : 27,419.94 = 8,282.28 : x
  2. Step 2: Convert to fraction form
    18,279.48/27,419.94 = 8,282.28/x
  3. Step 3: Cross multiply
    18,279.48x = 27,419.94 × 8,282.28
  4. Step 4: Simplify right side
    18,279.48x = 227,099,620.66
  5. Step 5: Solve for x
    x = 227,099,620.66/18,279.48
  6. Step 6: Final answer
    x = 12,423.75

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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.