Home / 12,080.59-18,121.46-9,968.30

Finding the Fourth Proportional to 12,080.59, 18,121.46 and 9,968.30

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Solution

The fourth proportional to 12,080.59, 18,121.46 and 9,968.30 is: 14,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.59 : 18,121.46 = 9,968.30 : x
  2. Step 2: Convert to fraction form
    12,080.59/18,121.46 = 9,968.30/x
  3. Step 3: Cross multiply
    12,080.59x = 18,121.46 × 9,968.30
  4. Step 4: Simplify right side
    12,080.59x = 180,640,149.72
  5. Step 5: Solve for x
    x = 180,640,149.72/12,080.59
  6. Step 6: Final answer
    x = 14,952.92

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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.