Home / 11,769.28-16,239.72-6,732.64

Finding the Fourth Proportional to 11,769.28, 16,239.72 and 6,732.64

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Solution

The fourth proportional to 11,769.28, 16,239.72 and 6,732.64 is: 9,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.28 : 16,239.72 = 6,732.64 : x
  2. Step 2: Convert to fraction form
    11,769.28/16,239.72 = 6,732.64/x
  3. Step 3: Cross multiply
    11,769.28x = 16,239.72 × 6,732.64
  4. Step 4: Simplify right side
    11,769.28x = 109,336,188.46
  5. Step 5: Solve for x
    x = 109,336,188.46/11,769.28
  6. Step 6: Final answer
    x = 9,289.96

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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.