Home / 18,399.80-27,585.04-8,004.28

Finding the Fourth Proportional to 18,399.80, 27,585.04 and 8,004.28

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Solution

The fourth proportional to 18,399.80, 27,585.04 and 8,004.28 is: 12,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.80 : 27,585.04 = 8,004.28 : x
  2. Step 2: Convert to fraction form
    18,399.80/27,585.04 = 8,004.28/x
  3. Step 3: Cross multiply
    18,399.80x = 27,585.04 × 8,004.28
  4. Step 4: Simplify right side
    18,399.80x = 220,798,383.97
  5. Step 5: Solve for x
    x = 220,798,383.97/18,399.80
  6. Step 6: Final answer
    x = 12,000.04

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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.