Home / 14,286.14-21,429.22-6,889.22

Finding the Fourth Proportional to 14,286.14, 21,429.22 and 6,889.22

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Solution

The fourth proportional to 14,286.14, 21,429.22 and 6,889.22 is: 10,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.14 : 21,429.22 = 6,889.22 : x
  2. Step 2: Convert to fraction form
    14,286.14/21,429.22 = 6,889.22/x
  3. Step 3: Cross multiply
    14,286.14x = 21,429.22 × 6,889.22
  4. Step 4: Simplify right side
    14,286.14x = 147,630,611.01
  5. Step 5: Solve for x
    x = 147,630,611.01/14,286.14
  6. Step 6: Final answer
    x = 10,333.83

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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.