Home / 11,135.68-16,703.84-3,238.72

Finding the Fourth Proportional to 11,135.68, 16,703.84 and 3,238.72

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Solution

The fourth proportional to 11,135.68, 16,703.84 and 3,238.72 is: 4,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.68 : 16,703.84 = 3,238.72 : x
  2. Step 2: Convert to fraction form
    11,135.68/16,703.84 = 3,238.72/x
  3. Step 3: Cross multiply
    11,135.68x = 16,703.84 × 3,238.72
  4. Step 4: Simplify right side
    11,135.68x = 54,099,060.68
  5. Step 5: Solve for x
    x = 54,099,060.68/11,135.68
  6. Step 6: Final answer
    x = 4,858.17

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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.