Home / 11,931.44-16,477.63-8,942.54

Finding the Fourth Proportional to 11,931.44, 16,477.63 and 8,942.54

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Solution

The fourth proportional to 11,931.44, 16,477.63 and 8,942.54 is: 12,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.44 : 16,477.63 = 8,942.54 : x
  2. Step 2: Convert to fraction form
    11,931.44/16,477.63 = 8,942.54/x
  3. Step 3: Cross multiply
    11,931.44x = 16,477.63 × 8,942.54
  4. Step 4: Simplify right side
    11,931.44x = 147,351,760.64
  5. Step 5: Solve for x
    x = 147,351,760.64/11,931.44
  6. Step 6: Final answer
    x = 12,349.88

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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.