Home / 20,366.77-28,105.89-11,414.26

Finding the Fourth Proportional to 20,366.77, 28,105.89 and 11,414.26

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Solution

The fourth proportional to 20,366.77, 28,105.89 and 11,414.26 is: 15,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.77 : 28,105.89 = 11,414.26 : x
  2. Step 2: Convert to fraction form
    20,366.77/28,105.89 = 11,414.26/x
  3. Step 3: Cross multiply
    20,366.77x = 28,105.89 × 11,414.26
  4. Step 4: Simplify right side
    20,366.77x = 320,807,935.99
  5. Step 5: Solve for x
    x = 320,807,935.99/20,366.77
  6. Step 6: Final answer
    x = 15,751.54

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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.