Home / 20,560.21-30,843.23-6,329.86

Finding the Fourth Proportional to 20,560.21, 30,843.23 and 6,329.86

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Solution

The fourth proportional to 20,560.21, 30,843.23 and 6,329.86 is: 9,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.21 : 30,843.23 = 6,329.86 : x
  2. Step 2: Convert to fraction form
    20,560.21/30,843.23 = 6,329.86/x
  3. Step 3: Cross multiply
    20,560.21x = 30,843.23 × 6,329.86
  4. Step 4: Simplify right side
    20,560.21x = 195,233,327.85
  5. Step 5: Solve for x
    x = 195,233,327.85/20,560.21
  6. Step 6: Final answer
    x = 9,495.69

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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.