Home / 13,268.06-18,309.46-7,299.38

Finding the Fourth Proportional to 13,268.06, 18,309.46 and 7,299.38

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Solution

The fourth proportional to 13,268.06, 18,309.46 and 7,299.38 is: 10,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.06 : 18,309.46 = 7,299.38 : x
  2. Step 2: Convert to fraction form
    13,268.06/18,309.46 = 7,299.38/x
  3. Step 3: Cross multiply
    13,268.06x = 18,309.46 × 7,299.38
  4. Step 4: Simplify right side
    13,268.06x = 133,647,706.13
  5. Step 5: Solve for x
    x = 133,647,706.13/13,268.06
  6. Step 6: Final answer
    x = 10,072.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.