Home / 12,743.03-19,107.25-4,942.73

Finding the Fourth Proportional to 12,743.03, 19,107.25 and 4,942.73

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Solution

The fourth proportional to 12,743.03, 19,107.25 and 4,942.73 is: 7,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.03 : 19,107.25 = 4,942.73 : x
  2. Step 2: Convert to fraction form
    12,743.03/19,107.25 = 4,942.73/x
  3. Step 3: Cross multiply
    12,743.03x = 19,107.25 × 4,942.73
  4. Step 4: Simplify right side
    12,743.03x = 94,441,977.79
  5. Step 5: Solve for x
    x = 94,441,977.79/12,743.03
  6. Step 6: Final answer
    x = 7,411.27

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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.