Home / 12,747.85-19,096.87-8,351.98

Finding the Fourth Proportional to 12,747.85, 19,096.87 and 8,351.98

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Solution

The fourth proportional to 12,747.85, 19,096.87 and 8,351.98 is: 12,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.85 : 19,096.87 = 8,351.98 : x
  2. Step 2: Convert to fraction form
    12,747.85/19,096.87 = 8,351.98/x
  3. Step 3: Cross multiply
    12,747.85x = 19,096.87 × 8,351.98
  4. Step 4: Simplify right side
    12,747.85x = 159,496,676.30
  5. Step 5: Solve for x
    x = 159,496,676.30/12,747.85
  6. Step 6: Final answer
    x = 12,511.65

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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.