Home / 12,766.87-19,136.11-9,636.73

Finding the Fourth Proportional to 12,766.87, 19,136.11 and 9,636.73

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Solution

The fourth proportional to 12,766.87, 19,136.11 and 9,636.73 is: 14,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.87 : 19,136.11 = 9,636.73 : x
  2. Step 2: Convert to fraction form
    12,766.87/19,136.11 = 9,636.73/x
  3. Step 3: Cross multiply
    12,766.87x = 19,136.11 × 9,636.73
  4. Step 4: Simplify right side
    12,766.87x = 184,409,453.39
  5. Step 5: Solve for x
    x = 184,409,453.39/12,766.87
  6. Step 6: Final answer
    x = 14,444.37

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1.5x scale

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.