Home / 11,928.72-17,893.08-4,137.54

Finding the Fourth Proportional to 11,928.72, 17,893.08 and 4,137.54

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Solution

The fourth proportional to 11,928.72, 17,893.08 and 4,137.54 is: 6,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.72 : 17,893.08 = 4,137.54 : x
  2. Step 2: Convert to fraction form
    11,928.72/17,893.08 = 4,137.54/x
  3. Step 3: Cross multiply
    11,928.72x = 17,893.08 × 4,137.54
  4. Step 4: Simplify right side
    11,928.72x = 74,033,334.22
  5. Step 5: Solve for x
    x = 74,033,334.22/11,928.72
  6. Step 6: Final answer
    x = 6,206.31

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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.