Home / 13,299.06-18,351.99-7,329.54

Finding the Fourth Proportional to 13,299.06, 18,351.99 and 7,329.54

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Solution

The fourth proportional to 13,299.06, 18,351.99 and 7,329.54 is: 10,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.06 : 18,351.99 = 7,329.54 : x
  2. Step 2: Convert to fraction form
    13,299.06/18,351.99 = 7,329.54/x
  3. Step 3: Cross multiply
    13,299.06x = 18,351.99 × 7,329.54
  4. Step 4: Simplify right side
    13,299.06x = 134,511,644.78
  5. Step 5: Solve for x
    x = 134,511,644.78/13,299.06
  6. Step 6: Final answer
    x = 10,114.37

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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.