Home / 20,216.20-30,324.30-10,352.20

Finding the Fourth Proportional to 20,216.20, 30,324.30 and 10,352.20

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Solution

The fourth proportional to 20,216.20, 30,324.30 and 10,352.20 is: 15,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.20 : 30,324.30 = 10,352.20 : x
  2. Step 2: Convert to fraction form
    20,216.20/30,324.30 = 10,352.20/x
  3. Step 3: Cross multiply
    20,216.20x = 30,324.30 × 10,352.20
  4. Step 4: Simplify right side
    20,216.20x = 313,923,218.46
  5. Step 5: Solve for x
    x = 313,923,218.46/20,216.20
  6. Step 6: Final answer
    x = 15,528.30

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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.