Home / 12,692.12-19,067.38-9,003.48

Finding the Fourth Proportional to 12,692.12, 19,067.38 and 9,003.48

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Solution

The fourth proportional to 12,692.12, 19,067.38 and 9,003.48 is: 13,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.12 : 19,067.38 = 9,003.48 : x
  2. Step 2: Convert to fraction form
    12,692.12/19,067.38 = 9,003.48/x
  3. Step 3: Cross multiply
    12,692.12x = 19,067.38 × 9,003.48
  4. Step 4: Simplify right side
    12,692.12x = 171,672,774.48
  5. Step 5: Solve for x
    x = 171,672,774.48/12,692.12
  6. Step 6: Final answer
    x = 13,525.93

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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.