Home / 18,172.07-27,268.83-9,851.88

Finding the Fourth Proportional to 18,172.07, 27,268.83 and 9,851.88

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Solution

The fourth proportional to 18,172.07, 27,268.83 and 9,851.88 is: 14,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.07 : 27,268.83 = 9,851.88 : x
  2. Step 2: Convert to fraction form
    18,172.07/27,268.83 = 9,851.88/x
  3. Step 3: Cross multiply
    18,172.07x = 27,268.83 × 9,851.88
  4. Step 4: Simplify right side
    18,172.07x = 268,649,240.90
  5. Step 5: Solve for x
    x = 268,649,240.90/18,172.07
  6. Step 6: Final answer
    x = 14,783.63

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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.