Home / 11,285.91-16,927.79-3,889.35

Finding the Fourth Proportional to 11,285.91, 16,927.79 and 3,889.35

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Solution

The fourth proportional to 11,285.91, 16,927.79 and 3,889.35 is: 5,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.91 : 16,927.79 = 3,889.35 : x
  2. Step 2: Convert to fraction form
    11,285.91/16,927.79 = 3,889.35/x
  3. Step 3: Cross multiply
    11,285.91x = 16,927.79 × 3,889.35
  4. Step 4: Simplify right side
    11,285.91x = 65,838,080.59
  5. Step 5: Solve for x
    x = 65,838,080.59/11,285.91
  6. Step 6: Final answer
    x = 5,833.65

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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.