Home / 11,305.10-16,957.83-2,985.97

Finding the Fourth Proportional to 11,305.10, 16,957.83 and 2,985.97

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Solution

The fourth proportional to 11,305.10, 16,957.83 and 2,985.97 is: 4,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.10 : 16,957.83 = 2,985.97 : x
  2. Step 2: Convert to fraction form
    11,305.10/16,957.83 = 2,985.97/x
  3. Step 3: Cross multiply
    11,305.10x = 16,957.83 × 2,985.97
  4. Step 4: Simplify right side
    11,305.10x = 50,635,571.65
  5. Step 5: Solve for x
    x = 50,635,571.65/11,305.10
  6. Step 6: Final answer
    x = 4,479.00

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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.