Home / 13,963.89-19,269.99-7,675.86

Finding the Fourth Proportional to 13,963.89, 19,269.99 and 7,675.86

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Solution

The fourth proportional to 13,963.89, 19,269.99 and 7,675.86 is: 10,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.89 : 19,269.99 = 7,675.86 : x
  2. Step 2: Convert to fraction form
    13,963.89/19,269.99 = 7,675.86/x
  3. Step 3: Cross multiply
    13,963.89x = 19,269.99 × 7,675.86
  4. Step 4: Simplify right side
    13,963.89x = 147,913,745.44
  5. Step 5: Solve for x
    x = 147,913,745.44/13,963.89
  6. Step 6: Final answer
    x = 10,592.59

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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.