Home / 13,872.24-19,143.77-7,584.62

Finding the Fourth Proportional to 13,872.24, 19,143.77 and 7,584.62

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Solution

The fourth proportional to 13,872.24, 19,143.77 and 7,584.62 is: 10,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.24 : 19,143.77 = 7,584.62 : x
  2. Step 2: Convert to fraction form
    13,872.24/19,143.77 = 7,584.62/x
  3. Step 3: Cross multiply
    13,872.24x = 19,143.77 × 7,584.62
  4. Step 4: Simplify right side
    13,872.24x = 145,198,087.18
  5. Step 5: Solve for x
    x = 145,198,087.18/13,872.24
  6. Step 6: Final answer
    x = 10,466.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.