Home / 12,789.14-19,175.03-4,464.60

Finding the Fourth Proportional to 12,789.14, 19,175.03 and 4,464.60

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Solution

The fourth proportional to 12,789.14, 19,175.03 and 4,464.60 is: 6,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.14 : 19,175.03 = 4,464.60 : x
  2. Step 2: Convert to fraction form
    12,789.14/19,175.03 = 4,464.60/x
  3. Step 3: Cross multiply
    12,789.14x = 19,175.03 × 4,464.60
  4. Step 4: Simplify right side
    12,789.14x = 85,608,838.94
  5. Step 5: Solve for x
    x = 85,608,838.94/12,789.14
  6. Step 6: Final answer
    x = 6,693.87

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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.