Home / 9,619.04-14,413.96-7,142.26

Finding the Fourth Proportional to 9,619.04, 14,413.96 and 7,142.26

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Solution

The fourth proportional to 9,619.04, 14,413.96 and 7,142.26 is: 10,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.04 : 14,413.96 = 7,142.26 : x
  2. Step 2: Convert to fraction form
    9,619.04/14,413.96 = 7,142.26/x
  3. Step 3: Cross multiply
    9,619.04x = 14,413.96 × 7,142.26
  4. Step 4: Simplify right side
    9,619.04x = 102,948,249.95
  5. Step 5: Solve for x
    x = 102,948,249.95/9,619.04
  6. Step 6: Final answer
    x = 10,702.55

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1.5x scale

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.