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Finding the Fourth Proportional to 18,571.97, 27,858.01 and 4,532.04

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Solution

The fourth proportional to 18,571.97, 27,858.01 and 4,532.04 is: 6,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.97 : 27,858.01 = 4,532.04 : x
  2. Step 2: Convert to fraction form
    18,571.97/27,858.01 = 4,532.04/x
  3. Step 3: Cross multiply
    18,571.97x = 27,858.01 × 4,532.04
  4. Step 4: Simplify right side
    18,571.97x = 126,253,615.64
  5. Step 5: Solve for x
    x = 126,253,615.64/18,571.97
  6. Step 6: Final answer
    x = 6,798.07

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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.