Home / 13,257.87-19,890.51-4,493.44

Finding the Fourth Proportional to 13,257.87, 19,890.51 and 4,493.44

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Solution

The fourth proportional to 13,257.87, 19,890.51 and 4,493.44 is: 6,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.87 : 19,890.51 = 4,493.44 : x
  2. Step 2: Convert to fraction form
    13,257.87/19,890.51 = 4,493.44/x
  3. Step 3: Cross multiply
    13,257.87x = 19,890.51 × 4,493.44
  4. Step 4: Simplify right side
    13,257.87x = 89,376,813.25
  5. Step 5: Solve for x
    x = 89,376,813.25/13,257.87
  6. Step 6: Final answer
    x = 6,741.42

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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.