Home / 12,285.06-18,413.01-7,080.18

Finding the Fourth Proportional to 12,285.06, 18,413.01 and 7,080.18

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Solution

The fourth proportional to 12,285.06, 18,413.01 and 7,080.18 is: 10,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.06 : 18,413.01 = 7,080.18 : x
  2. Step 2: Convert to fraction form
    12,285.06/18,413.01 = 7,080.18/x
  3. Step 3: Cross multiply
    12,285.06x = 18,413.01 × 7,080.18
  4. Step 4: Simplify right side
    12,285.06x = 130,367,425.14
  5. Step 5: Solve for x
    x = 130,367,425.14/12,285.06
  6. Step 6: Final answer
    x = 10,611.87

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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.