Home / 12,247.28-16,906.44-8,273.80

Finding the Fourth Proportional to 12,247.28, 16,906.44 and 8,273.80

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Solution

The fourth proportional to 12,247.28, 16,906.44 and 8,273.80 is: 11,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.28 : 16,906.44 = 8,273.80 : x
  2. Step 2: Convert to fraction form
    12,247.28/16,906.44 = 8,273.80/x
  3. Step 3: Cross multiply
    12,247.28x = 16,906.44 × 8,273.80
  4. Step 4: Simplify right side
    12,247.28x = 139,880,503.27
  5. Step 5: Solve for x
    x = 139,880,503.27/12,247.28
  6. Step 6: Final answer
    x = 11,421.35

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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.