Home / 11,465.61-17,198.45-3,145.74

Finding the Fourth Proportional to 11,465.61, 17,198.45 and 3,145.74

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Solution

The fourth proportional to 11,465.61, 17,198.45 and 3,145.74 is: 4,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.61 : 17,198.45 = 3,145.74 : x
  2. Step 2: Convert to fraction form
    11,465.61/17,198.45 = 3,145.74/x
  3. Step 3: Cross multiply
    11,465.61x = 17,198.45 × 3,145.74
  4. Step 4: Simplify right side
    11,465.61x = 54,101,836.37
  5. Step 5: Solve for x
    x = 54,101,836.37/11,465.61
  6. Step 6: Final answer
    x = 4,718.62

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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.