Home / 20,343.64-28,073.37-11,845.99

Finding the Fourth Proportional to 20,343.64, 28,073.37 and 11,845.99

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Solution

The fourth proportional to 20,343.64, 28,073.37 and 11,845.99 is: 16,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.64 : 28,073.37 = 11,845.99 : x
  2. Step 2: Convert to fraction form
    20,343.64/28,073.37 = 11,845.99/x
  3. Step 3: Cross multiply
    20,343.64x = 28,073.37 × 11,845.99
  4. Step 4: Simplify right side
    20,343.64x = 332,556,860.29
  5. Step 5: Solve for x
    x = 332,556,860.29/20,343.64
  6. Step 6: Final answer
    x = 16,346.97

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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.