Home / 11,790.59-16,270.83-6,413.09

Finding the Fourth Proportional to 11,790.59, 16,270.83 and 6,413.09

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Solution

The fourth proportional to 11,790.59, 16,270.83 and 6,413.09 is: 8,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.59 : 16,270.83 = 6,413.09 : x
  2. Step 2: Convert to fraction form
    11,790.59/16,270.83 = 6,413.09/x
  3. Step 3: Cross multiply
    11,790.59x = 16,270.83 × 6,413.09
  4. Step 4: Simplify right side
    11,790.59x = 104,346,215.81
  5. Step 5: Solve for x
    x = 104,346,215.81/11,790.59
  6. Step 6: Final answer
    x = 8,849.96

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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.