Home / 12,791.67-19,188.19-4,027.27

Finding the Fourth Proportional to 12,791.67, 19,188.19 and 4,027.27

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Solution

The fourth proportional to 12,791.67, 19,188.19 and 4,027.27 is: 6,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.67 : 19,188.19 = 4,027.27 : x
  2. Step 2: Convert to fraction form
    12,791.67/19,188.19 = 4,027.27/x
  3. Step 3: Cross multiply
    12,791.67x = 19,188.19 × 4,027.27
  4. Step 4: Simplify right side
    12,791.67x = 77,276,014.98
  5. Step 5: Solve for x
    x = 77,276,014.98/12,791.67
  6. Step 6: Final answer
    x = 6,041.12

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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.