Home / 11,465.46-17,198.21-3,145.59

Finding the Fourth Proportional to 11,465.46, 17,198.21 and 3,145.59

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Solution

The fourth proportional to 11,465.46, 17,198.21 and 3,145.59 is: 4,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.46 : 17,198.21 = 3,145.59 : x
  2. Step 2: Convert to fraction form
    11,465.46/17,198.21 = 3,145.59/x
  3. Step 3: Cross multiply
    11,465.46x = 17,198.21 × 3,145.59
  4. Step 4: Simplify right side
    11,465.46x = 54,098,415.67
  5. Step 5: Solve for x
    x = 54,098,415.67/11,465.46
  6. Step 6: Final answer
    x = 4,718.38

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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.