Home / 18,091.20-27,080.04-10,074.60

Finding the Fourth Proportional to 18,091.20, 27,080.04 and 10,074.60

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Solution

The fourth proportional to 18,091.20, 27,080.04 and 10,074.60 is: 15,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.20 : 27,080.04 = 10,074.60 : x
  2. Step 2: Convert to fraction form
    18,091.20/27,080.04 = 10,074.60/x
  3. Step 3: Cross multiply
    18,091.20x = 27,080.04 × 10,074.60
  4. Step 4: Simplify right side
    18,091.20x = 272,820,570.98
  5. Step 5: Solve for x
    x = 272,820,570.98/18,091.20
  6. Step 6: Final answer
    x = 15,080.29

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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.