Home / 11,872.08-17,809.74-4,485.96

Finding the Fourth Proportional to 11,872.08, 17,809.74 and 4,485.96

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Solution

The fourth proportional to 11,872.08, 17,809.74 and 4,485.96 is: 6,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.08 : 17,809.74 = 4,485.96 : x
  2. Step 2: Convert to fraction form
    11,872.08/17,809.74 = 4,485.96/x
  3. Step 3: Cross multiply
    11,872.08x = 17,809.74 × 4,485.96
  4. Step 4: Simplify right side
    11,872.08x = 79,893,781.25
  5. Step 5: Solve for x
    x = 79,893,781.25/11,872.08
  6. Step 6: Final answer
    x = 6,729.55

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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.