Home / 21,705.88-32,588.96-11,183.44

Finding the Fourth Proportional to 21,705.88, 32,588.96 and 11,183.44

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Solution

The fourth proportional to 21,705.88, 32,588.96 and 11,183.44 is: 16,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.88 : 32,588.96 = 11,183.44 : x
  2. Step 2: Convert to fraction form
    21,705.88/32,588.96 = 11,183.44/x
  3. Step 3: Cross multiply
    21,705.88x = 32,588.96 × 11,183.44
  4. Step 4: Simplify right side
    21,705.88x = 364,456,678.82
  5. Step 5: Solve for x
    x = 364,456,678.82/21,705.88
  6. Step 6: Final answer
    x = 16,790.69

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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.