Home / 14,015-21,022.62-3,626.12

Finding the Fourth Proportional to 14,015, 21,022.62 and 3,626.12

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Solution

The fourth proportional to 14,015, 21,022.62 and 3,626.12 is: 5,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015 : 21,022.62 = 3,626.12 : x
  2. Step 2: Convert to fraction form
    14,015/21,022.62 = 3,626.12/x
  3. Step 3: Cross multiply
    14,015x = 21,022.62 × 3,626.12
  4. Step 4: Simplify right side
    14,015x = 76,230,542.83
  5. Step 5: Solve for x
    x = 76,230,542.83/14,015
  6. Step 6: Final answer
    x = 5,439.21

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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.