Home / 20,343.44-28,072.44-11,845.63

Finding the Fourth Proportional to 20,343.44, 28,072.44 and 11,845.63

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Solution

The fourth proportional to 20,343.44, 28,072.44 and 11,845.63 is: 16,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.44 : 28,072.44 = 11,845.63 : x
  2. Step 2: Convert to fraction form
    20,343.44/28,072.44 = 11,845.63/x
  3. Step 3: Cross multiply
    20,343.44x = 28,072.44 × 11,845.63
  4. Step 4: Simplify right side
    20,343.44x = 332,535,737.44
  5. Step 5: Solve for x
    x = 332,535,737.44/20,343.44
  6. Step 6: Final answer
    x = 16,346.09

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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.