Home / 13,794.36-20,701.80-6,778.14

Finding the Fourth Proportional to 13,794.36, 20,701.80 and 6,778.14

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Solution

The fourth proportional to 13,794.36, 20,701.80 and 6,778.14 is: 10,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.36 : 20,701.80 = 6,778.14 : x
  2. Step 2: Convert to fraction form
    13,794.36/20,701.80 = 6,778.14/x
  3. Step 3: Cross multiply
    13,794.36x = 20,701.80 × 6,778.14
  4. Step 4: Simplify right side
    13,794.36x = 140,319,698.65
  5. Step 5: Solve for x
    x = 140,319,698.65/13,794.36
  6. Step 6: Final answer
    x = 10,172.25

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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.