Home / 11,996.21-17,994.30-4,205.03

Finding the Fourth Proportional to 11,996.21, 17,994.30 and 4,205.03

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Solution

The fourth proportional to 11,996.21, 17,994.30 and 4,205.03 is: 6,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.21 : 17,994.30 = 4,205.03 : x
  2. Step 2: Convert to fraction form
    11,996.21/17,994.30 = 4,205.03/x
  3. Step 3: Cross multiply
    11,996.21x = 17,994.30 × 4,205.03
  4. Step 4: Simplify right side
    11,996.21x = 75,666,481.36
  5. Step 5: Solve for x
    x = 75,666,481.36/11,996.21
  6. Step 6: Final answer
    x = 6,307.53

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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.