Home / 18,203.12-27,309.46-5,722.64

Finding the Fourth Proportional to 18,203.12, 27,309.46 and 5,722.64

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Solution

The fourth proportional to 18,203.12, 27,309.46 and 5,722.64 is: 8,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.12 : 27,309.46 = 5,722.64 : x
  2. Step 2: Convert to fraction form
    18,203.12/27,309.46 = 5,722.64/x
  3. Step 3: Cross multiply
    18,203.12x = 27,309.46 × 5,722.64
  4. Step 4: Simplify right side
    18,203.12x = 156,282,179.56
  5. Step 5: Solve for x
    x = 156,282,179.56/18,203.12
  6. Step 6: Final answer
    x = 8,585.46

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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.