Home / 10,641.15-15,963.41-3,243.92

Finding the Fourth Proportional to 10,641.15, 15,963.41 and 3,243.92

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Solution

The fourth proportional to 10,641.15, 15,963.41 and 3,243.92 is: 4,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.15 : 15,963.41 = 3,243.92 : x
  2. Step 2: Convert to fraction form
    10,641.15/15,963.41 = 3,243.92/x
  3. Step 3: Cross multiply
    10,641.15x = 15,963.41 × 3,243.92
  4. Step 4: Simplify right side
    10,641.15x = 51,783,953.26
  5. Step 5: Solve for x
    x = 51,783,953.26/10,641.15
  6. Step 6: Final answer
    x = 4,866.39

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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.