Home / 11,747.63-16,212.22-6,442.67

Finding the Fourth Proportional to 11,747.63, 16,212.22 and 6,442.67

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Solution

The fourth proportional to 11,747.63, 16,212.22 and 6,442.67 is: 8,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.63 : 16,212.22 = 6,442.67 : x
  2. Step 2: Convert to fraction form
    11,747.63/16,212.22 = 6,442.67/x
  3. Step 3: Cross multiply
    11,747.63x = 16,212.22 × 6,442.67
  4. Step 4: Simplify right side
    11,747.63x = 104,450,007.85
  5. Step 5: Solve for x
    x = 104,450,007.85/11,747.63
  6. Step 6: Final answer
    x = 8,891.15

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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.