Home / 20,217.54-30,326.34-10,351.44

Finding the Fourth Proportional to 20,217.54, 30,326.34 and 10,351.44

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Solution

The fourth proportional to 20,217.54, 30,326.34 and 10,351.44 is: 15,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.54 : 30,326.34 = 10,351.44 : x
  2. Step 2: Convert to fraction form
    20,217.54/30,326.34 = 10,351.44/x
  3. Step 3: Cross multiply
    20,217.54x = 30,326.34 × 10,351.44
  4. Step 4: Simplify right side
    20,217.54x = 313,921,288.93
  5. Step 5: Solve for x
    x = 313,921,288.93/20,217.54
  6. Step 6: Final answer
    x = 15,527.18

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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.