Home / 20,433.74-28,198.58-11,481.24

Finding the Fourth Proportional to 20,433.74, 28,198.58 and 11,481.24

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Solution

The fourth proportional to 20,433.74, 28,198.58 and 11,481.24 is: 15,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.74 : 28,198.58 = 11,481.24 : x
  2. Step 2: Convert to fraction form
    20,433.74/28,198.58 = 11,481.24/x
  3. Step 3: Cross multiply
    20,433.74x = 28,198.58 × 11,481.24
  4. Step 4: Simplify right side
    20,433.74x = 323,754,664.64
  5. Step 5: Solve for x
    x = 323,754,664.64/20,433.74
  6. Step 6: Final answer
    x = 15,844.12

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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.