Home / 20,342.44-28,071.06-11,844.63

Finding the Fourth Proportional to 20,342.44, 28,071.06 and 11,844.63

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Solution

The fourth proportional to 20,342.44, 28,071.06 and 11,844.63 is: 16,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.44 : 28,071.06 = 11,844.63 : x
  2. Step 2: Convert to fraction form
    20,342.44/28,071.06 = 11,844.63/x
  3. Step 3: Cross multiply
    20,342.44x = 28,071.06 × 11,844.63
  4. Step 4: Simplify right side
    20,342.44x = 332,491,274.99
  5. Step 5: Solve for x
    x = 332,491,274.99/20,342.44
  6. Step 6: Final answer
    x = 16,344.71

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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.