Home / 11,129.45-16,694.24-4,556.30

Finding the Fourth Proportional to 11,129.45, 16,694.24 and 4,556.30

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Solution

The fourth proportional to 11,129.45, 16,694.24 and 4,556.30 is: 6,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.45 : 16,694.24 = 4,556.30 : x
  2. Step 2: Convert to fraction form
    11,129.45/16,694.24 = 4,556.30/x
  3. Step 3: Cross multiply
    11,129.45x = 16,694.24 × 4,556.30
  4. Step 4: Simplify right side
    11,129.45x = 76,063,859.46
  5. Step 5: Solve for x
    x = 76,063,859.46/11,129.45
  6. Step 6: Final answer
    x = 6,834.47

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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.