Home / 12,184.44-18,268.74-4,789.62

Finding the Fourth Proportional to 12,184.44, 18,268.74 and 4,789.62

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Solution

The fourth proportional to 12,184.44, 18,268.74 and 4,789.62 is: 7,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.44 : 18,268.74 = 4,789.62 : x
  2. Step 2: Convert to fraction form
    12,184.44/18,268.74 = 4,789.62/x
  3. Step 3: Cross multiply
    12,184.44x = 18,268.74 × 4,789.62
  4. Step 4: Simplify right side
    12,184.44x = 87,500,322.48
  5. Step 5: Solve for x
    x = 87,500,322.48/12,184.44
  6. Step 6: Final answer
    x = 7,181.32

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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.