Home / 12,150.96-18,226.92-3,386.64

Finding the Fourth Proportional to 12,150.96, 18,226.92 and 3,386.64

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Solution

The fourth proportional to 12,150.96, 18,226.92 and 3,386.64 is: 5,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.96 : 18,226.92 = 3,386.64 : x
  2. Step 2: Convert to fraction form
    12,150.96/18,226.92 = 3,386.64/x
  3. Step 3: Cross multiply
    12,150.96x = 18,226.92 × 3,386.64
  4. Step 4: Simplify right side
    12,150.96x = 61,728,016.35
  5. Step 5: Solve for x
    x = 61,728,016.35/12,150.96
  6. Step 6: Final answer
    x = 5,080.09

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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.