Home / 10,413.34-15,619.80-2,621.94

Finding the Fourth Proportional to 10,413.34, 15,619.80 and 2,621.94

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Solution

The fourth proportional to 10,413.34, 15,619.80 and 2,621.94 is: 3,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.34 : 15,619.80 = 2,621.94 : x
  2. Step 2: Convert to fraction form
    10,413.34/15,619.80 = 2,621.94/x
  3. Step 3: Cross multiply
    10,413.34x = 15,619.80 × 2,621.94
  4. Step 4: Simplify right side
    10,413.34x = 40,954,178.41
  5. Step 5: Solve for x
    x = 40,954,178.41/10,413.34
  6. Step 6: Final answer
    x = 3,932.86

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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.