Home / 10,321.47-15,481.94-2,925.86

Finding the Fourth Proportional to 10,321.47, 15,481.94 and 2,925.86

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Solution

The fourth proportional to 10,321.47, 15,481.94 and 2,925.86 is: 4,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.47 : 15,481.94 = 2,925.86 : x
  2. Step 2: Convert to fraction form
    10,321.47/15,481.94 = 2,925.86/x
  3. Step 3: Cross multiply
    10,321.47x = 15,481.94 × 2,925.86
  4. Step 4: Simplify right side
    10,321.47x = 45,297,896.93
  5. Step 5: Solve for x
    x = 45,297,896.93/10,321.47
  6. Step 6: Final answer
    x = 4,388.71

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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.