Home / 11,240.56-16,863.24-4,315

Finding the Fourth Proportional to 11,240.56, 16,863.24 and 4,315

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Solution

The fourth proportional to 11,240.56, 16,863.24 and 4,315 is: 6,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.56 : 16,863.24 = 4,315 : x
  2. Step 2: Convert to fraction form
    11,240.56/16,863.24 = 4,315/x
  3. Step 3: Cross multiply
    11,240.56x = 16,863.24 × 4,315
  4. Step 4: Simplify right side
    11,240.56x = 72,764,880.60
  5. Step 5: Solve for x
    x = 72,764,880.60/11,240.56
  6. Step 6: Final answer
    x = 6,473.42

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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.