Home / 10,286.08-15,431.28-5,845.82

Finding the Fourth Proportional to 10,286.08, 15,431.28 and 5,845.82

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Solution

The fourth proportional to 10,286.08, 15,431.28 and 5,845.82 is: 8,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.08 : 15,431.28 = 5,845.82 : x
  2. Step 2: Convert to fraction form
    10,286.08/15,431.28 = 5,845.82/x
  3. Step 3: Cross multiply
    10,286.08x = 15,431.28 × 5,845.82
  4. Step 4: Simplify right side
    10,286.08x = 90,208,472.97
  5. Step 5: Solve for x
    x = 90,208,472.97/10,286.08
  6. Step 6: Final answer
    x = 8,769.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.