Home / 13,520.75-20,269.37-6,497.24

Finding the Fourth Proportional to 13,520.75, 20,269.37 and 6,497.24

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Solution

The fourth proportional to 13,520.75, 20,269.37 and 6,497.24 is: 9,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.75 : 20,269.37 = 6,497.24 : x
  2. Step 2: Convert to fraction form
    13,520.75/20,269.37 = 6,497.24/x
  3. Step 3: Cross multiply
    13,520.75x = 20,269.37 × 6,497.24
  4. Step 4: Simplify right side
    13,520.75x = 131,694,876.44
  5. Step 5: Solve for x
    x = 131,694,876.44/13,520.75
  6. Step 6: Final answer
    x = 9,740.21

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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.