Home / 15,525.68-23,299.80-11,640.56

Finding the Fourth Proportional to 15,525.68, 23,299.80 and 11,640.56

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Solution

The fourth proportional to 15,525.68, 23,299.80 and 11,640.56 is: 17,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.68 : 23,299.80 = 11,640.56 : x
  2. Step 2: Convert to fraction form
    15,525.68/23,299.80 = 11,640.56/x
  3. Step 3: Cross multiply
    15,525.68x = 23,299.80 × 11,640.56
  4. Step 4: Simplify right side
    15,525.68x = 271,222,719.89
  5. Step 5: Solve for x
    x = 271,222,719.89/15,525.68
  6. Step 6: Final answer
    x = 17,469.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.