Home / 20,596.20-30,851.10-11,351.40

Finding the Fourth Proportional to 20,596.20, 30,851.10 and 11,351.40

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Solution

The fourth proportional to 20,596.20, 30,851.10 and 11,351.40 is: 17,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.20 : 30,851.10 = 11,351.40 : x
  2. Step 2: Convert to fraction form
    20,596.20/30,851.10 = 11,351.40/x
  3. Step 3: Cross multiply
    20,596.20x = 30,851.10 × 11,351.40
  4. Step 4: Simplify right side
    20,596.20x = 350,203,176.54
  5. Step 5: Solve for x
    x = 350,203,176.54/20,596.20
  6. Step 6: Final answer
    x = 17,003.29

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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.