Home / 10,380.08-15,568.44-2,982.86

Finding the Fourth Proportional to 10,380.08, 15,568.44 and 2,982.86

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Solution

The fourth proportional to 10,380.08, 15,568.44 and 2,982.86 is: 4,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.08 : 15,568.44 = 2,982.86 : x
  2. Step 2: Convert to fraction form
    10,380.08/15,568.44 = 2,982.86/x
  3. Step 3: Cross multiply
    10,380.08x = 15,568.44 × 2,982.86
  4. Step 4: Simplify right side
    10,380.08x = 46,438,476.94
  5. Step 5: Solve for x
    x = 46,438,476.94/10,380.08
  6. Step 6: Final answer
    x = 4,473.81

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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.