Home / 13,872.57-19,144.21-7,584.94

Finding the Fourth Proportional to 13,872.57, 19,144.21 and 7,584.94

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Solution

The fourth proportional to 13,872.57, 19,144.21 and 7,584.94 is: 10,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.57 : 19,144.21 = 7,584.94 : x
  2. Step 2: Convert to fraction form
    13,872.57/19,144.21 = 7,584.94/x
  3. Step 3: Cross multiply
    13,872.57x = 19,144.21 × 7,584.94
  4. Step 4: Simplify right side
    13,872.57x = 145,207,646.27
  5. Step 5: Solve for x
    x = 145,207,646.27/13,872.57
  6. Step 6: Final answer
    x = 10,467.25

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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.