Home / 11,705.09-17,558.46-3,384.77

Finding the Fourth Proportional to 11,705.09, 17,558.46 and 3,384.77

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Solution

The fourth proportional to 11,705.09, 17,558.46 and 3,384.77 is: 5,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.09 : 17,558.46 = 3,384.77 : x
  2. Step 2: Convert to fraction form
    11,705.09/17,558.46 = 3,384.77/x
  3. Step 3: Cross multiply
    11,705.09x = 17,558.46 × 3,384.77
  4. Step 4: Simplify right side
    11,705.09x = 59,431,348.65
  5. Step 5: Solve for x
    x = 59,431,348.65/11,705.09
  6. Step 6: Final answer
    x = 5,077.39

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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.