Home / 38,469.75-57,714.36-11,817.06

Finding the Fourth Proportional to 38,469.75, 57,714.36 and 11,817.06

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Solution

The fourth proportional to 38,469.75, 57,714.36 and 11,817.06 is: 17,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.75 : 57,714.36 = 11,817.06 : x
  2. Step 2: Convert to fraction form
    38,469.75/57,714.36 = 11,817.06/x
  3. Step 3: Cross multiply
    38,469.75x = 57,714.36 × 11,817.06
  4. Step 4: Simplify right side
    38,469.75x = 682,014,054.98
  5. Step 5: Solve for x
    x = 682,014,054.98/38,469.75
  6. Step 6: Final answer
    x = 17,728.58

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1.5x scale

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.