Home / 12,791.04-19,186.08-9,027.37

Finding the Fourth Proportional to 12,791.04, 19,186.08 and 9,027.37

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Solution

The fourth proportional to 12,791.04, 19,186.08 and 9,027.37 is: 13,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.04 : 19,186.08 = 9,027.37 : x
  2. Step 2: Convert to fraction form
    12,791.04/19,186.08 = 9,027.37/x
  3. Step 3: Cross multiply
    12,791.04x = 19,186.08 × 9,027.37
  4. Step 4: Simplify right side
    12,791.04x = 173,199,843.01
  5. Step 5: Solve for x
    x = 173,199,843.01/12,791.04
  6. Step 6: Final answer
    x = 13,540.72

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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.