Home / 10,150.25-15,219.90-3,911.83

Finding the Fourth Proportional to 10,150.25, 15,219.90 and 3,911.83

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Solution

The fourth proportional to 10,150.25, 15,219.90 and 3,911.83 is: 5,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.25 : 15,219.90 = 3,911.83 : x
  2. Step 2: Convert to fraction form
    10,150.25/15,219.90 = 3,911.83/x
  3. Step 3: Cross multiply
    10,150.25x = 15,219.90 × 3,911.83
  4. Step 4: Simplify right side
    10,150.25x = 59,537,623.37
  5. Step 5: Solve for x
    x = 59,537,623.37/10,150.25
  6. Step 6: Final answer
    x = 5,865.63

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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.