Home / 10,626.35-15,934.36-6,413.95

Finding the Fourth Proportional to 10,626.35, 15,934.36 and 6,413.95

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Solution

The fourth proportional to 10,626.35, 15,934.36 and 6,413.95 is: 9,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.35 : 15,934.36 = 6,413.95 : x
  2. Step 2: Convert to fraction form
    10,626.35/15,934.36 = 6,413.95/x
  3. Step 3: Cross multiply
    10,626.35x = 15,934.36 × 6,413.95
  4. Step 4: Simplify right side
    10,626.35x = 102,202,188.32
  5. Step 5: Solve for x
    x = 102,202,188.32/10,626.35
  6. Step 6: Final answer
    x = 9,617.81

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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.