Home / 9,989.02-14,984.88-3,413.44

Finding the Fourth Proportional to 9,989.02, 14,984.88 and 3,413.44

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Solution

The fourth proportional to 9,989.02, 14,984.88 and 3,413.44 is: 5,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.02 : 14,984.88 = 3,413.44 : x
  2. Step 2: Convert to fraction form
    9,989.02/14,984.88 = 3,413.44/x
  3. Step 3: Cross multiply
    9,989.02x = 14,984.88 × 3,413.44
  4. Step 4: Simplify right side
    9,989.02x = 51,149,988.79
  5. Step 5: Solve for x
    x = 51,149,988.79/9,989.02
  6. Step 6: Final answer
    x = 5,120.62

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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.