Home / 10,133.20-15,195.24-4,286.80

Finding the Fourth Proportional to 10,133.20, 15,195.24 and 4,286.80

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Solution

The fourth proportional to 10,133.20, 15,195.24 and 4,286.80 is: 6,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.20 : 15,195.24 = 4,286.80 : x
  2. Step 2: Convert to fraction form
    10,133.20/15,195.24 = 4,286.80/x
  3. Step 3: Cross multiply
    10,133.20x = 15,195.24 × 4,286.80
  4. Step 4: Simplify right side
    10,133.20x = 65,138,954.83
  5. Step 5: Solve for x
    x = 65,138,954.83/10,133.20
  6. Step 6: Final answer
    x = 6,428.27

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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.