Home / 11,251.28-16,880.70-6,330.54

Finding the Fourth Proportional to 11,251.28, 16,880.70 and 6,330.54

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Solution

The fourth proportional to 11,251.28, 16,880.70 and 6,330.54 is: 9,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.28 : 16,880.70 = 6,330.54 : x
  2. Step 2: Convert to fraction form
    11,251.28/16,880.70 = 6,330.54/x
  3. Step 3: Cross multiply
    11,251.28x = 16,880.70 × 6,330.54
  4. Step 4: Simplify right side
    11,251.28x = 106,863,946.58
  5. Step 5: Solve for x
    x = 106,863,946.58/11,251.28
  6. Step 6: Final answer
    x = 9,497.94

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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.