Home / 13,046.76-17,920.35-12,797.82

Finding the Fourth Proportional to 13,046.76, 17,920.35 and 12,797.82

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Solution

The fourth proportional to 13,046.76, 17,920.35 and 12,797.82 is: 17,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.76 : 17,920.35 = 12,797.82 : x
  2. Step 2: Convert to fraction form
    13,046.76/17,920.35 = 12,797.82/x
  3. Step 3: Cross multiply
    13,046.76x = 17,920.35 × 12,797.82
  4. Step 4: Simplify right side
    13,046.76x = 229,341,413.64
  5. Step 5: Solve for x
    x = 229,341,413.64/13,046.76
  6. Step 6: Final answer
    x = 17,578.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.