Home / 10,988.92-16,489.86-4,413.88

Finding the Fourth Proportional to 10,988.92, 16,489.86 and 4,413.88

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Solution

The fourth proportional to 10,988.92, 16,489.86 and 4,413.88 is: 6,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.92 : 16,489.86 = 4,413.88 : x
  2. Step 2: Convert to fraction form
    10,988.92/16,489.86 = 4,413.88/x
  3. Step 3: Cross multiply
    10,988.92x = 16,489.86 × 4,413.88
  4. Step 4: Simplify right side
    10,988.92x = 72,784,263.26
  5. Step 5: Solve for x
    x = 72,784,263.26/10,988.92
  6. Step 6: Final answer
    x = 6,623.42

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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.