Home / 13,257.48-19,886.92-3,396.84

Finding the Fourth Proportional to 13,257.48, 19,886.92 and 3,396.84

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Solution

The fourth proportional to 13,257.48, 19,886.92 and 3,396.84 is: 5,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.48 : 19,886.92 = 3,396.84 : x
  2. Step 2: Convert to fraction form
    13,257.48/19,886.92 = 3,396.84/x
  3. Step 3: Cross multiply
    13,257.48x = 19,886.92 × 3,396.84
  4. Step 4: Simplify right side
    13,257.48x = 67,552,685.33
  5. Step 5: Solve for x
    x = 67,552,685.33/13,257.48
  6. Step 6: Final answer
    x = 5,095.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.