Home / 13,493.28-20,210.49-11,126.73

Finding the Fourth Proportional to 13,493.28, 20,210.49 and 11,126.73

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Solution

The fourth proportional to 13,493.28, 20,210.49 and 11,126.73 is: 16,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.28 : 20,210.49 = 11,126.73 : x
  2. Step 2: Convert to fraction form
    13,493.28/20,210.49 = 11,126.73/x
  3. Step 3: Cross multiply
    13,493.28x = 20,210.49 × 11,126.73
  4. Step 4: Simplify right side
    13,493.28x = 224,876,665.40
  5. Step 5: Solve for x
    x = 224,876,665.40/13,493.28
  6. Step 6: Final answer
    x = 16,665.83

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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.