Home / 36,105.80-54,160.11-11,143.62

Finding the Fourth Proportional to 36,105.80, 54,160.11 and 11,143.62

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Solution

The fourth proportional to 36,105.80, 54,160.11 and 11,143.62 is: 16,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.80 : 54,160.11 = 11,143.62 : x
  2. Step 2: Convert to fraction form
    36,105.80/54,160.11 = 11,143.62/x
  3. Step 3: Cross multiply
    36,105.80x = 54,160.11 × 11,143.62
  4. Step 4: Simplify right side
    36,105.80x = 603,539,685.00
  5. Step 5: Solve for x
    x = 603,539,685.00/36,105.80
  6. Step 6: Final answer
    x = 16,715.87

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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.