Home / 11,963.27-17,931.69-4,939.41

Finding the Fourth Proportional to 11,963.27, 17,931.69 and 4,939.41

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Solution

The fourth proportional to 11,963.27, 17,931.69 and 4,939.41 is: 7,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.27 : 17,931.69 = 4,939.41 : x
  2. Step 2: Convert to fraction form
    11,963.27/17,931.69 = 4,939.41/x
  3. Step 3: Cross multiply
    11,963.27x = 17,931.69 × 4,939.41
  4. Step 4: Simplify right side
    11,963.27x = 88,571,968.90
  5. Step 5: Solve for x
    x = 88,571,968.90/11,963.27
  6. Step 6: Final answer
    x = 7,403.66

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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.