Home / 13,410.26-20,106.18-6,823.70

Finding the Fourth Proportional to 13,410.26, 20,106.18 and 6,823.70

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Solution

The fourth proportional to 13,410.26, 20,106.18 and 6,823.70 is: 10,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.26 : 20,106.18 = 6,823.70 : x
  2. Step 2: Convert to fraction form
    13,410.26/20,106.18 = 6,823.70/x
  3. Step 3: Cross multiply
    13,410.26x = 20,106.18 × 6,823.70
  4. Step 4: Simplify right side
    13,410.26x = 137,198,540.47
  5. Step 5: Solve for x
    x = 137,198,540.47/13,410.26
  6. Step 6: Final answer
    x = 10,230.86

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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.