Home / 20,891.60-31,334.31-6,096.54

Finding the Fourth Proportional to 20,891.60, 31,334.31 and 6,096.54

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Solution

The fourth proportional to 20,891.60, 31,334.31 and 6,096.54 is: 9,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,891.60 : 31,334.31 = 6,096.54 : x
  2. Step 2: Convert to fraction form
    20,891.60/31,334.31 = 6,096.54/x
  3. Step 3: Cross multiply
    20,891.60x = 31,334.31 × 6,096.54
  4. Step 4: Simplify right side
    20,891.60x = 191,030,843.80
  5. Step 5: Solve for x
    x = 191,030,843.80/20,891.60
  6. Step 6: Final answer
    x = 9,143.91

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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.