Home / 16,912.70-25,332.60-11,007.80

Finding the Fourth Proportional to 16,912.70, 25,332.60 and 11,007.80

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Solution

The fourth proportional to 16,912.70, 25,332.60 and 11,007.80 is: 16,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.70 : 25,332.60 = 11,007.80 : x
  2. Step 2: Convert to fraction form
    16,912.70/25,332.60 = 11,007.80/x
  3. Step 3: Cross multiply
    16,912.70x = 25,332.60 × 11,007.80
  4. Step 4: Simplify right side
    16,912.70x = 278,856,194.28
  5. Step 5: Solve for x
    x = 278,856,194.28/16,912.70
  6. Step 6: Final answer
    x = 16,487.98

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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.