Home / 12,845.88-19,141.82-11,537.70

Finding the Fourth Proportional to 12,845.88, 19,141.82 and 11,537.70

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Solution

The fourth proportional to 12,845.88, 19,141.82 and 11,537.70 is: 17,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.88 : 19,141.82 = 11,537.70 : x
  2. Step 2: Convert to fraction form
    12,845.88/19,141.82 = 11,537.70/x
  3. Step 3: Cross multiply
    12,845.88x = 19,141.82 × 11,537.70
  4. Step 4: Simplify right side
    12,845.88x = 220,852,518.93
  5. Step 5: Solve for x
    x = 220,852,518.93/12,845.88
  6. Step 6: Final answer
    x = 17,192.48

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.