Home / 11,905.22-17,855.40-4,507.14

Finding the Fourth Proportional to 11,905.22, 17,855.40 and 4,507.14

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Solution

The fourth proportional to 11,905.22, 17,855.40 and 4,507.14 is: 6,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.22 : 17,855.40 = 4,507.14 : x
  2. Step 2: Convert to fraction form
    11,905.22/17,855.40 = 4,507.14/x
  3. Step 3: Cross multiply
    11,905.22x = 17,855.40 × 4,507.14
  4. Step 4: Simplify right side
    11,905.22x = 80,476,787.56
  5. Step 5: Solve for x
    x = 80,476,787.56/11,905.22
  6. Step 6: Final answer
    x = 6,759.79

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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.