Home / 12,928.44-19,394.52-4,160.44

Finding the Fourth Proportional to 12,928.44, 19,394.52 and 4,160.44

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Solution

The fourth proportional to 12,928.44, 19,394.52 and 4,160.44 is: 6,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.44 : 19,394.52 = 4,160.44 : x
  2. Step 2: Convert to fraction form
    12,928.44/19,394.52 = 4,160.44/x
  3. Step 3: Cross multiply
    12,928.44x = 19,394.52 × 4,160.44
  4. Step 4: Simplify right side
    12,928.44x = 80,689,736.79
  5. Step 5: Solve for x
    x = 80,689,736.79/12,928.44
  6. Step 6: Final answer
    x = 6,241.26

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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.