Home / 14,297.14-21,450.12-6,406.30

Finding the Fourth Proportional to 14,297.14, 21,450.12 and 6,406.30

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Solution

The fourth proportional to 14,297.14, 21,450.12 and 6,406.30 is: 9,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.14 : 21,450.12 = 6,406.30 : x
  2. Step 2: Convert to fraction form
    14,297.14/21,450.12 = 6,406.30/x
  3. Step 3: Cross multiply
    14,297.14x = 21,450.12 × 6,406.30
  4. Step 4: Simplify right side
    14,297.14x = 137,415,903.76
  5. Step 5: Solve for x
    x = 137,415,903.76/14,297.14
  6. Step 6: Final answer
    x = 9,611.43

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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.