Home / 20,446.83-28,216.22-11,494.24

Finding the Fourth Proportional to 20,446.83, 28,216.22 and 11,494.24

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Solution

The fourth proportional to 20,446.83, 28,216.22 and 11,494.24 is: 15,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.83 : 28,216.22 = 11,494.24 : x
  2. Step 2: Convert to fraction form
    20,446.83/28,216.22 = 11,494.24/x
  3. Step 3: Cross multiply
    20,446.83x = 28,216.22 × 11,494.24
  4. Step 4: Simplify right side
    20,446.83x = 324,323,876.56
  5. Step 5: Solve for x
    x = 324,323,876.56/20,446.83
  6. Step 6: Final answer
    x = 15,861.82

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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.