Home / 9,431.96-14,149.48-2,856.61

Finding the Fourth Proportional to 9,431.96, 14,149.48 and 2,856.61

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Solution

The fourth proportional to 9,431.96, 14,149.48 and 2,856.61 is: 4,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.96 : 14,149.48 = 2,856.61 : x
  2. Step 2: Convert to fraction form
    9,431.96/14,149.48 = 2,856.61/x
  3. Step 3: Cross multiply
    9,431.96x = 14,149.48 × 2,856.61
  4. Step 4: Simplify right side
    9,431.96x = 40,419,503.55
  5. Step 5: Solve for x
    x = 40,419,503.55/9,431.96
  6. Step 6: Final answer
    x = 4,285.38

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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.