Home / 13,373.21-20,048.52-8,431.97

Finding the Fourth Proportional to 13,373.21, 20,048.52 and 8,431.97

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Solution

The fourth proportional to 13,373.21, 20,048.52 and 8,431.97 is: 12,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.21 : 20,048.52 = 8,431.97 : x
  2. Step 2: Convert to fraction form
    13,373.21/20,048.52 = 8,431.97/x
  3. Step 3: Cross multiply
    13,373.21x = 20,048.52 × 8,431.97
  4. Step 4: Simplify right side
    13,373.21x = 169,048,450.56
  5. Step 5: Solve for x
    x = 169,048,450.56/13,373.21
  6. Step 6: Final answer
    x = 12,640.83

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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.