Home / 10,205.96-15,305.88-3,631.28

Finding the Fourth Proportional to 10,205.96, 15,305.88 and 3,631.28

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Solution

The fourth proportional to 10,205.96, 15,305.88 and 3,631.28 is: 5,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.96 : 15,305.88 = 3,631.28 : x
  2. Step 2: Convert to fraction form
    10,205.96/15,305.88 = 3,631.28/x
  3. Step 3: Cross multiply
    10,205.96x = 15,305.88 × 3,631.28
  4. Step 4: Simplify right side
    10,205.96x = 55,579,935.93
  5. Step 5: Solve for x
    x = 55,579,935.93/10,205.96
  6. Step 6: Final answer
    x = 5,445.83

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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.