Home / 12,311.09-18,466.49-8,352.54

Finding the Fourth Proportional to 12,311.09, 18,466.49 and 8,352.54

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Solution

The fourth proportional to 12,311.09, 18,466.49 and 8,352.54 is: 12,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.09 : 18,466.49 = 8,352.54 : x
  2. Step 2: Convert to fraction form
    12,311.09/18,466.49 = 8,352.54/x
  3. Step 3: Cross multiply
    12,311.09x = 18,466.49 × 8,352.54
  4. Step 4: Simplify right side
    12,311.09x = 154,242,096.38
  5. Step 5: Solve for x
    x = 154,242,096.38/12,311.09
  6. Step 6: Final answer
    x = 12,528.71

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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.