Home / 11,285.33-16,929-2,965.21

Finding the Fourth Proportional to 11,285.33, 16,929 and 2,965.21

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Solution

The fourth proportional to 11,285.33, 16,929 and 2,965.21 is: 4,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.33 : 16,929 = 2,965.21 : x
  2. Step 2: Convert to fraction form
    11,285.33/16,929 = 2,965.21/x
  3. Step 3: Cross multiply
    11,285.33x = 16,929 × 2,965.21
  4. Step 4: Simplify right side
    11,285.33x = 50,197,997.77
  5. Step 5: Solve for x
    x = 50,197,997.77/11,285.33
  6. Step 6: Final answer
    x = 4,448.08

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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.