Home / 21,023.37-29,012.22-11,591.96

Finding the Fourth Proportional to 21,023.37, 29,012.22 and 11,591.96

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Solution

The fourth proportional to 21,023.37, 29,012.22 and 11,591.96 is: 15,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.37 : 29,012.22 = 11,591.96 : x
  2. Step 2: Convert to fraction form
    21,023.37/29,012.22 = 11,591.96/x
  3. Step 3: Cross multiply
    21,023.37x = 29,012.22 × 11,591.96
  4. Step 4: Simplify right side
    21,023.37x = 336,308,348.69
  5. Step 5: Solve for x
    x = 336,308,348.69/21,023.37
  6. Step 6: Final answer
    x = 15,996.88

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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.