Home / 20,164.94-27,819.63-11,665.49

Finding the Fourth Proportional to 20,164.94, 27,819.63 and 11,665.49

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Solution

The fourth proportional to 20,164.94, 27,819.63 and 11,665.49 is: 16,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.94 : 27,819.63 = 11,665.49 : x
  2. Step 2: Convert to fraction form
    20,164.94/27,819.63 = 11,665.49/x
  3. Step 3: Cross multiply
    20,164.94x = 27,819.63 × 11,665.49
  4. Step 4: Simplify right side
    20,164.94x = 324,529,615.57
  5. Step 5: Solve for x
    x = 324,529,615.57/20,164.94
  6. Step 6: Final answer
    x = 16,093.76

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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.