Home / 10,205.30-15,304.35-3,631.70

Finding the Fourth Proportional to 10,205.30, 15,304.35 and 3,631.70

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Solution

The fourth proportional to 10,205.30, 15,304.35 and 3,631.70 is: 5,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.30 : 15,304.35 = 3,631.70 : x
  2. Step 2: Convert to fraction form
    10,205.30/15,304.35 = 3,631.70/x
  3. Step 3: Cross multiply
    10,205.30x = 15,304.35 × 3,631.70
  4. Step 4: Simplify right side
    10,205.30x = 55,580,807.90
  5. Step 5: Solve for x
    x = 55,580,807.90/10,205.30
  6. Step 6: Final answer
    x = 5,446.27

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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.