Home / 11,274.24-16,915.68-4,253.76

Finding the Fourth Proportional to 11,274.24, 16,915.68 and 4,253.76

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Solution

The fourth proportional to 11,274.24, 16,915.68 and 4,253.76 is: 6,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.24 : 16,915.68 = 4,253.76 : x
  2. Step 2: Convert to fraction form
    11,274.24/16,915.68 = 4,253.76/x
  3. Step 3: Cross multiply
    11,274.24x = 16,915.68 × 4,253.76
  4. Step 4: Simplify right side
    11,274.24x = 71,955,242.96
  5. Step 5: Solve for x
    x = 71,955,242.96/11,274.24
  6. Step 6: Final answer
    x = 6,382.27

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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.