Home / 8,424.23-11,618.61-7,413.77

Finding the Fourth Proportional to 8,424.23, 11,618.61 and 7,413.77

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Solution

The fourth proportional to 8,424.23, 11,618.61 and 7,413.77 is: 10,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.23 : 11,618.61 = 7,413.77 : x
  2. Step 2: Convert to fraction form
    8,424.23/11,618.61 = 7,413.77/x
  3. Step 3: Cross multiply
    8,424.23x = 11,618.61 × 7,413.77
  4. Step 4: Simplify right side
    8,424.23x = 86,137,702.26
  5. Step 5: Solve for x
    x = 86,137,702.26/8,424.23
  6. Step 6: Final answer
    x = 10,224.99

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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.