Home / 20,529.91-30,794.50-11,167.71

Finding the Fourth Proportional to 20,529.91, 30,794.50 and 11,167.71

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Solution

The fourth proportional to 20,529.91, 30,794.50 and 11,167.71 is: 16,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.91 : 30,794.50 = 11,167.71 : x
  2. Step 2: Convert to fraction form
    20,529.91/30,794.50 = 11,167.71/x
  3. Step 3: Cross multiply
    20,529.91x = 30,794.50 × 11,167.71
  4. Step 4: Simplify right side
    20,529.91x = 343,904,045.60
  5. Step 5: Solve for x
    x = 343,904,045.60/20,529.91
  6. Step 6: Final answer
    x = 16,751.37

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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.