Home / 11,183.10-15,431.92-6,147.67

Finding the Fourth Proportional to 11,183.10, 15,431.92 and 6,147.67

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Solution

The fourth proportional to 11,183.10, 15,431.92 and 6,147.67 is: 8,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.10 : 15,431.92 = 6,147.67 : x
  2. Step 2: Convert to fraction form
    11,183.10/15,431.92 = 6,147.67/x
  3. Step 3: Cross multiply
    11,183.10x = 15,431.92 × 6,147.67
  4. Step 4: Simplify right side
    11,183.10x = 94,870,351.63
  5. Step 5: Solve for x
    x = 94,870,351.63/11,183.10
  6. Step 6: Final answer
    x = 8,483.37

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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.