Home / 11,216.62-16,826.28-4,647.41

Finding the Fourth Proportional to 11,216.62, 16,826.28 and 4,647.41

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Solution

The fourth proportional to 11,216.62, 16,826.28 and 4,647.41 is: 6,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.62 : 16,826.28 = 4,647.41 : x
  2. Step 2: Convert to fraction form
    11,216.62/16,826.28 = 4,647.41/x
  3. Step 3: Cross multiply
    11,216.62x = 16,826.28 × 4,647.41
  4. Step 4: Simplify right side
    11,216.62x = 78,198,621.93
  5. Step 5: Solve for x
    x = 78,198,621.93/11,216.62
  6. Step 6: Final answer
    x = 6,971.67

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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.