Home / 10,963.86-16,439.70-4,382.60

Finding the Fourth Proportional to 10,963.86, 16,439.70 and 4,382.60

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Solution

The fourth proportional to 10,963.86, 16,439.70 and 4,382.60 is: 6,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.86 : 16,439.70 = 4,382.60 : x
  2. Step 2: Convert to fraction form
    10,963.86/16,439.70 = 4,382.60/x
  3. Step 3: Cross multiply
    10,963.86x = 16,439.70 × 4,382.60
  4. Step 4: Simplify right side
    10,963.86x = 72,048,629.22
  5. Step 5: Solve for x
    x = 72,048,629.22/10,963.86
  6. Step 6: Final answer
    x = 6,571.47

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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.