Home / 11,465.54-17,198.34-3,145.68

Finding the Fourth Proportional to 11,465.54, 17,198.34 and 3,145.68

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Solution

The fourth proportional to 11,465.54, 17,198.34 and 3,145.68 is: 4,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.54 : 17,198.34 = 3,145.68 : x
  2. Step 2: Convert to fraction form
    11,465.54/17,198.34 = 3,145.68/x
  3. Step 3: Cross multiply
    11,465.54x = 17,198.34 × 3,145.68
  4. Step 4: Simplify right side
    11,465.54x = 54,100,474.17
  5. Step 5: Solve for x
    x = 54,100,474.17/11,465.54
  6. Step 6: Final answer
    x = 4,718.53

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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.