Home / 12,261.99-16,926.62-8,288.48

Finding the Fourth Proportional to 12,261.99, 16,926.62 and 8,288.48

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Solution

The fourth proportional to 12,261.99, 16,926.62 and 8,288.48 is: 11,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.99 : 16,926.62 = 8,288.48 : x
  2. Step 2: Convert to fraction form
    12,261.99/16,926.62 = 8,288.48/x
  3. Step 3: Cross multiply
    12,261.99x = 16,926.62 × 8,288.48
  4. Step 4: Simplify right side
    12,261.99x = 140,295,951.34
  5. Step 5: Solve for x
    x = 140,295,951.34/12,261.99
  6. Step 6: Final answer
    x = 11,441.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.