Home / 13,269.59-19,890.53-4,945.98

Finding the Fourth Proportional to 13,269.59, 19,890.53 and 4,945.98

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Solution

The fourth proportional to 13,269.59, 19,890.53 and 4,945.98 is: 7,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.59 : 19,890.53 = 4,945.98 : x
  2. Step 2: Convert to fraction form
    13,269.59/19,890.53 = 4,945.98/x
  3. Step 3: Cross multiply
    13,269.59x = 19,890.53 × 4,945.98
  4. Step 4: Simplify right side
    13,269.59x = 98,378,138.84
  5. Step 5: Solve for x
    x = 98,378,138.84/13,269.59
  6. Step 6: Final answer
    x = 7,413.81

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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.