Home / 21,917.12-32,883.87-11,380.56

Finding the Fourth Proportional to 21,917.12, 32,883.87 and 11,380.56

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Solution

The fourth proportional to 21,917.12, 32,883.87 and 11,380.56 is: 17,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.12 : 32,883.87 = 11,380.56 : x
  2. Step 2: Convert to fraction form
    21,917.12/32,883.87 = 11,380.56/x
  3. Step 3: Cross multiply
    21,917.12x = 32,883.87 × 11,380.56
  4. Step 4: Simplify right side
    21,917.12x = 374,236,855.57
  5. Step 5: Solve for x
    x = 374,236,855.57/21,917.12
  6. Step 6: Final answer
    x = 17,075.09

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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.