Home / 20,393.19-30,589.83-7,245.54

Finding the Fourth Proportional to 20,393.19, 30,589.83 and 7,245.54

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Solution

The fourth proportional to 20,393.19, 30,589.83 and 7,245.54 is: 10,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.19 : 30,589.83 = 7,245.54 : x
  2. Step 2: Convert to fraction form
    20,393.19/30,589.83 = 7,245.54/x
  3. Step 3: Cross multiply
    20,393.19x = 30,589.83 × 7,245.54
  4. Step 4: Simplify right side
    20,393.19x = 221,639,836.86
  5. Step 5: Solve for x
    x = 221,639,836.86/20,393.19
  6. Step 6: Final answer
    x = 10,868.33

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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.