Home / 13,257.27-19,885.77-3,396.51

Finding the Fourth Proportional to 13,257.27, 19,885.77 and 3,396.51

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Solution

The fourth proportional to 13,257.27, 19,885.77 and 3,396.51 is: 5,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.27 : 19,885.77 = 3,396.51 : x
  2. Step 2: Convert to fraction form
    13,257.27/19,885.77 = 3,396.51/x
  3. Step 3: Cross multiply
    13,257.27x = 19,885.77 × 3,396.51
  4. Step 4: Simplify right side
    13,257.27x = 67,542,216.66
  5. Step 5: Solve for x
    x = 67,542,216.66/13,257.27
  6. Step 6: Final answer
    x = 5,094.73

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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.