Home / 11,251.37-16,860.98-8,266.41

Finding the Fourth Proportional to 11,251.37, 16,860.98 and 8,266.41

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Solution

The fourth proportional to 11,251.37, 16,860.98 and 8,266.41 is: 12,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.37 : 16,860.98 = 8,266.41 : x
  2. Step 2: Convert to fraction form
    11,251.37/16,860.98 = 8,266.41/x
  3. Step 3: Cross multiply
    11,251.37x = 16,860.98 × 8,266.41
  4. Step 4: Simplify right side
    11,251.37x = 139,379,794.35
  5. Step 5: Solve for x
    x = 139,379,794.35/11,251.37
  6. Step 6: Final answer
    x = 12,387.80

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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.