Home / 11,409.14-17,114.32-3,618.56

Finding the Fourth Proportional to 11,409.14, 17,114.32 and 3,618.56

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Solution

The fourth proportional to 11,409.14, 17,114.32 and 3,618.56 is: 5,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.14 : 17,114.32 = 3,618.56 : x
  2. Step 2: Convert to fraction form
    11,409.14/17,114.32 = 3,618.56/x
  3. Step 3: Cross multiply
    11,409.14x = 17,114.32 × 3,618.56
  4. Step 4: Simplify right side
    11,409.14x = 61,929,193.78
  5. Step 5: Solve for x
    x = 61,929,193.78/11,409.14
  6. Step 6: Final answer
    x = 5,428.03

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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.