Home / 18,108.36-27,170.46-8,248.68

Finding the Fourth Proportional to 18,108.36, 27,170.46 and 8,248.68

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Solution

The fourth proportional to 18,108.36, 27,170.46 and 8,248.68 is: 12,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.36 : 27,170.46 = 8,248.68 : x
  2. Step 2: Convert to fraction form
    18,108.36/27,170.46 = 8,248.68/x
  3. Step 3: Cross multiply
    18,108.36x = 27,170.46 × 8,248.68
  4. Step 4: Simplify right side
    18,108.36x = 224,120,429.99
  5. Step 5: Solve for x
    x = 224,120,429.99/18,108.36
  6. Step 6: Final answer
    x = 12,376.63

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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.