Home / 10,183.16-15,277.11-3,162.80

Finding the Fourth Proportional to 10,183.16, 15,277.11 and 3,162.80

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Solution

The fourth proportional to 10,183.16, 15,277.11 and 3,162.80 is: 4,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.16 : 15,277.11 = 3,162.80 : x
  2. Step 2: Convert to fraction form
    10,183.16/15,277.11 = 3,162.80/x
  3. Step 3: Cross multiply
    10,183.16x = 15,277.11 × 3,162.80
  4. Step 4: Simplify right side
    10,183.16x = 48,318,367.12
  5. Step 5: Solve for x
    x = 48,318,367.12/10,183.16
  6. Step 6: Final answer
    x = 4,744.93

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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.