Home / 12,847.23-19,270.92-3,962.43

Finding the Fourth Proportional to 12,847.23, 19,270.92 and 3,962.43

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Solution

The fourth proportional to 12,847.23, 19,270.92 and 3,962.43 is: 5,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.23 : 19,270.92 = 3,962.43 : x
  2. Step 2: Convert to fraction form
    12,847.23/19,270.92 = 3,962.43/x
  3. Step 3: Cross multiply
    12,847.23x = 19,270.92 × 3,962.43
  4. Step 4: Simplify right side
    12,847.23x = 76,359,671.54
  5. Step 5: Solve for x
    x = 76,359,671.54/12,847.23
  6. Step 6: Final answer
    x = 5,943.67

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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.