Home / 10,379.89-15,571.86-3,361.65

Finding the Fourth Proportional to 10,379.89, 15,571.86 and 3,361.65

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Solution

The fourth proportional to 10,379.89, 15,571.86 and 3,361.65 is: 5,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.89 : 15,571.86 = 3,361.65 : x
  2. Step 2: Convert to fraction form
    10,379.89/15,571.86 = 3,361.65/x
  3. Step 3: Cross multiply
    10,379.89x = 15,571.86 × 3,361.65
  4. Step 4: Simplify right side
    10,379.89x = 52,347,143.17
  5. Step 5: Solve for x
    x = 52,347,143.17/10,379.89
  6. Step 6: Final answer
    x = 5,043.13

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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.