Home / 11,771.28-16,244.48-6,466.20

Finding the Fourth Proportional to 11,771.28, 16,244.48 and 6,466.20

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Solution

The fourth proportional to 11,771.28, 16,244.48 and 6,466.20 is: 8,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.28 : 16,244.48 = 6,466.20 : x
  2. Step 2: Convert to fraction form
    11,771.28/16,244.48 = 6,466.20/x
  3. Step 3: Cross multiply
    11,771.28x = 16,244.48 × 6,466.20
  4. Step 4: Simplify right side
    11,771.28x = 105,040,056.58
  5. Step 5: Solve for x
    x = 105,040,056.58/11,771.28
  6. Step 6: Final answer
    x = 8,923.42

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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.