Home / 11,137.72-16,700.82-3,345.52

Finding the Fourth Proportional to 11,137.72, 16,700.82 and 3,345.52

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Solution

The fourth proportional to 11,137.72, 16,700.82 and 3,345.52 is: 5,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.72 : 16,700.82 = 3,345.52 : x
  2. Step 2: Convert to fraction form
    11,137.72/16,700.82 = 3,345.52/x
  3. Step 3: Cross multiply
    11,137.72x = 16,700.82 × 3,345.52
  4. Step 4: Simplify right side
    11,137.72x = 55,872,927.33
  5. Step 5: Solve for x
    x = 55,872,927.33/11,137.72
  6. Step 6: Final answer
    x = 5,016.55

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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.