Home / 20,359.56-28,093.74-11,863.44

Finding the Fourth Proportional to 20,359.56, 28,093.74 and 11,863.44

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Solution

The fourth proportional to 20,359.56, 28,093.74 and 11,863.44 is: 16,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.56 : 28,093.74 = 11,863.44 : x
  2. Step 2: Convert to fraction form
    20,359.56/28,093.74 = 11,863.44/x
  3. Step 3: Cross multiply
    20,359.56x = 28,093.74 × 11,863.44
  4. Step 4: Simplify right side
    20,359.56x = 333,288,398.87
  5. Step 5: Solve for x
    x = 333,288,398.87/20,359.56
  6. Step 6: Final answer
    x = 16,370.12

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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.