Home / 18,088.21-27,149.85-8,734.83

Finding the Fourth Proportional to 18,088.21, 27,149.85 and 8,734.83

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Solution

The fourth proportional to 18,088.21, 27,149.85 and 8,734.83 is: 13,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.21 : 27,149.85 = 8,734.83 : x
  2. Step 2: Convert to fraction form
    18,088.21/27,149.85 = 8,734.83/x
  3. Step 3: Cross multiply
    18,088.21x = 27,149.85 × 8,734.83
  4. Step 4: Simplify right side
    18,088.21x = 237,149,324.28
  5. Step 5: Solve for x
    x = 237,149,324.28/18,088.21
  6. Step 6: Final answer
    x = 13,110.71

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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.