Home / 11,982.02-17,975.46-4,196.30

Finding the Fourth Proportional to 11,982.02, 17,975.46 and 4,196.30

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Solution

The fourth proportional to 11,982.02, 17,975.46 and 4,196.30 is: 6,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.02 : 17,975.46 = 4,196.30 : x
  2. Step 2: Convert to fraction form
    11,982.02/17,975.46 = 4,196.30/x
  3. Step 3: Cross multiply
    11,982.02x = 17,975.46 × 4,196.30
  4. Step 4: Simplify right side
    11,982.02x = 75,430,422.80
  5. Step 5: Solve for x
    x = 75,430,422.80/11,982.02
  6. Step 6: Final answer
    x = 6,295.30

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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.