Home / 13,972.14-20,964.14-6,576.44

Finding the Fourth Proportional to 13,972.14, 20,964.14 and 6,576.44

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Solution

The fourth proportional to 13,972.14, 20,964.14 and 6,576.44 is: 9,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.14 : 20,964.14 = 6,576.44 : x
  2. Step 2: Convert to fraction form
    13,972.14/20,964.14 = 6,576.44/x
  3. Step 3: Cross multiply
    13,972.14x = 20,964.14 × 6,576.44
  4. Step 4: Simplify right side
    13,972.14x = 137,869,297.36
  5. Step 5: Solve for x
    x = 137,869,297.36/13,972.14
  6. Step 6: Final answer
    x = 9,867.44

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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.