Home / 12,896.07-19,346.93-4,131.87

Finding the Fourth Proportional to 12,896.07, 19,346.93 and 4,131.87

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Solution

The fourth proportional to 12,896.07, 19,346.93 and 4,131.87 is: 6,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.07 : 19,346.93 = 4,131.87 : x
  2. Step 2: Convert to fraction form
    12,896.07/19,346.93 = 4,131.87/x
  3. Step 3: Cross multiply
    12,896.07x = 19,346.93 × 4,131.87
  4. Step 4: Simplify right side
    12,896.07x = 79,938,999.66
  5. Step 5: Solve for x
    x = 79,938,999.66/12,896.07
  6. Step 6: Final answer
    x = 6,198.71

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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.