Home / 20,198.17-30,303.43-10,344.42

Finding the Fourth Proportional to 20,198.17, 30,303.43 and 10,344.42

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Solution

The fourth proportional to 20,198.17, 30,303.43 and 10,344.42 is: 15,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.17 : 30,303.43 = 10,344.42 : x
  2. Step 2: Convert to fraction form
    20,198.17/30,303.43 = 10,344.42/x
  3. Step 3: Cross multiply
    20,198.17x = 30,303.43 × 10,344.42
  4. Step 4: Simplify right side
    20,198.17x = 313,471,407.36
  5. Step 5: Solve for x
    x = 313,471,407.36/20,198.17
  6. Step 6: Final answer
    x = 15,519.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.