Home / 10,230.45-15,343.11-2,835.42

Finding the Fourth Proportional to 10,230.45, 15,343.11 and 2,835.42

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Solution

The fourth proportional to 10,230.45, 15,343.11 and 2,835.42 is: 4,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.45 : 15,343.11 = 2,835.42 : x
  2. Step 2: Convert to fraction form
    10,230.45/15,343.11 = 2,835.42/x
  3. Step 3: Cross multiply
    10,230.45x = 15,343.11 × 2,835.42
  4. Step 4: Simplify right side
    10,230.45x = 43,504,160.96
  5. Step 5: Solve for x
    x = 43,504,160.96/10,230.45
  6. Step 6: Final answer
    x = 4,252.42

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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.