Home / 12,134.46-18,201.73-3,815.16

Finding the Fourth Proportional to 12,134.46, 18,201.73 and 3,815.16

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Solution

The fourth proportional to 12,134.46, 18,201.73 and 3,815.16 is: 5,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.46 : 18,201.73 = 3,815.16 : x
  2. Step 2: Convert to fraction form
    12,134.46/18,201.73 = 3,815.16/x
  3. Step 3: Cross multiply
    12,134.46x = 18,201.73 × 3,815.16
  4. Step 4: Simplify right side
    12,134.46x = 69,442,512.23
  5. Step 5: Solve for x
    x = 69,442,512.23/12,134.46
  6. Step 6: Final answer
    x = 5,722.75

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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.