Home / 10,206.93-15,311.78-3,631.53

Finding the Fourth Proportional to 10,206.93, 15,311.78 and 3,631.53

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Solution

The fourth proportional to 10,206.93, 15,311.78 and 3,631.53 is: 5,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.93 : 15,311.78 = 3,631.53 : x
  2. Step 2: Convert to fraction form
    10,206.93/15,311.78 = 3,631.53/x
  3. Step 3: Cross multiply
    10,206.93x = 15,311.78 × 3,631.53
  4. Step 4: Simplify right side
    10,206.93x = 55,605,120.94
  5. Step 5: Solve for x
    x = 55,605,120.94/10,206.93
  6. Step 6: Final answer
    x = 5,447.78

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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.