Home / 14,380.78-19,841.60-8,413.91

Finding the Fourth Proportional to 14,380.78, 19,841.60 and 8,413.91

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Solution

The fourth proportional to 14,380.78, 19,841.60 and 8,413.91 is: 11,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.78 : 19,841.60 = 8,413.91 : x
  2. Step 2: Convert to fraction form
    14,380.78/19,841.60 = 8,413.91/x
  3. Step 3: Cross multiply
    14,380.78x = 19,841.60 × 8,413.91
  4. Step 4: Simplify right side
    14,380.78x = 166,945,394.59
  5. Step 5: Solve for x
    x = 166,945,394.59/14,380.78
  6. Step 6: Final answer
    x = 11,608.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.