Home / 8,126.63-12,193.82-5,631.67

Finding the Fourth Proportional to 8,126.63, 12,193.82 and 5,631.67

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Solution

The fourth proportional to 8,126.63, 12,193.82 and 5,631.67 is: 8,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.63 : 12,193.82 = 5,631.67 : x
  2. Step 2: Convert to fraction form
    8,126.63/12,193.82 = 5,631.67/x
  3. Step 3: Cross multiply
    8,126.63x = 12,193.82 × 5,631.67
  4. Step 4: Simplify right side
    8,126.63x = 68,671,542.12
  5. Step 5: Solve for x
    x = 68,671,542.12/8,126.63
  6. Step 6: Final answer
    x = 8,450.19

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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.