Home / 13,622.00-20,409.71-6,605.37

Finding the Fourth Proportional to 13,622.00, 20,409.71 and 6,605.37

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Solution

The fourth proportional to 13,622.00, 20,409.71 and 6,605.37 is: 9,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.00 : 20,409.71 = 6,605.37 : x
  2. Step 2: Convert to fraction form
    13,622.00/20,409.71 = 6,605.37/x
  3. Step 3: Cross multiply
    13,622.00x = 20,409.71 × 6,605.37
  4. Step 4: Simplify right side
    13,622.00x = 134,813,653.12
  5. Step 5: Solve for x
    x = 134,813,653.12/13,622.00
  6. Step 6: Final answer
    x = 9,896.76

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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.