Home / 12,001.88-17,991.93-4,206.44

Finding the Fourth Proportional to 12,001.88, 17,991.93 and 4,206.44

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Solution

The fourth proportional to 12,001.88, 17,991.93 and 4,206.44 is: 6,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.88 : 17,991.93 = 4,206.44 : x
  2. Step 2: Convert to fraction form
    12,001.88/17,991.93 = 4,206.44/x
  3. Step 3: Cross multiply
    12,001.88x = 17,991.93 × 4,206.44
  4. Step 4: Simplify right side
    12,001.88x = 75,682,034.78
  5. Step 5: Solve for x
    x = 75,682,034.78/12,001.88
  6. Step 6: Final answer
    x = 6,305.85

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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.