Home / 12,644.02-18,963.60-3,876.58

Finding the Fourth Proportional to 12,644.02, 18,963.60 and 3,876.58

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Solution

The fourth proportional to 12,644.02, 18,963.60 and 3,876.58 is: 5,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.02 : 18,963.60 = 3,876.58 : x
  2. Step 2: Convert to fraction form
    12,644.02/18,963.60 = 3,876.58/x
  3. Step 3: Cross multiply
    12,644.02x = 18,963.60 × 3,876.58
  4. Step 4: Simplify right side
    12,644.02x = 73,513,912.49
  5. Step 5: Solve for x
    x = 73,513,912.49/12,644.02
  6. Step 6: Final answer
    x = 5,814.12

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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.