Home / 20,011.50-27,617.49-11,629.62

Finding the Fourth Proportional to 20,011.50, 27,617.49 and 11,629.62

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Solution

The fourth proportional to 20,011.50, 27,617.49 and 11,629.62 is: 16,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.50 : 27,617.49 = 11,629.62 : x
  2. Step 2: Convert to fraction form
    20,011.50/27,617.49 = 11,629.62/x
  3. Step 3: Cross multiply
    20,011.50x = 27,617.49 × 11,629.62
  4. Step 4: Simplify right side
    20,011.50x = 321,180,914.05
  5. Step 5: Solve for x
    x = 321,180,914.05/20,011.50
  6. Step 6: Final answer
    x = 16,049.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.