Home / 18,172.09-27,252.86-7,076.30

Finding the Fourth Proportional to 18,172.09, 27,252.86 and 7,076.30

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Solution

The fourth proportional to 18,172.09, 27,252.86 and 7,076.30 is: 10,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.09 : 27,252.86 = 7,076.30 : x
  2. Step 2: Convert to fraction form
    18,172.09/27,252.86 = 7,076.30/x
  3. Step 3: Cross multiply
    18,172.09x = 27,252.86 × 7,076.30
  4. Step 4: Simplify right side
    18,172.09x = 192,849,413.22
  5. Step 5: Solve for x
    x = 192,849,413.22/18,172.09
  6. Step 6: Final answer
    x = 10,612.40

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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.