Home / 10,383.83-15,573.41-2,986.64

Finding the Fourth Proportional to 10,383.83, 15,573.41 and 2,986.64

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Solution

The fourth proportional to 10,383.83, 15,573.41 and 2,986.64 is: 4,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.83 : 15,573.41 = 2,986.64 : x
  2. Step 2: Convert to fraction form
    10,383.83/15,573.41 = 2,986.64/x
  3. Step 3: Cross multiply
    10,383.83x = 15,573.41 × 2,986.64
  4. Step 4: Simplify right side
    10,383.83x = 46,512,076.44
  5. Step 5: Solve for x
    x = 46,512,076.44/10,383.83
  6. Step 6: Final answer
    x = 4,479.28

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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.