Home / 11,137.20-16,705.94-3,345.56

Finding the Fourth Proportional to 11,137.20, 16,705.94 and 3,345.56

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Solution

The fourth proportional to 11,137.20, 16,705.94 and 3,345.56 is: 5,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.20 : 16,705.94 = 3,345.56 : x
  2. Step 2: Convert to fraction form
    11,137.20/16,705.94 = 3,345.56/x
  3. Step 3: Cross multiply
    11,137.20x = 16,705.94 × 3,345.56
  4. Step 4: Simplify right side
    11,137.20x = 55,890,724.63
  5. Step 5: Solve for x
    x = 55,890,724.63/11,137.20
  6. Step 6: Final answer
    x = 5,018.38

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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.