Home / 18,089.88-27,134.63-4,942.25

Finding the Fourth Proportional to 18,089.88, 27,134.63 and 4,942.25

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Solution

The fourth proportional to 18,089.88, 27,134.63 and 4,942.25 is: 7,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.88 : 27,134.63 = 4,942.25 : x
  2. Step 2: Convert to fraction form
    18,089.88/27,134.63 = 4,942.25/x
  3. Step 3: Cross multiply
    18,089.88x = 27,134.63 × 4,942.25
  4. Step 4: Simplify right side
    18,089.88x = 134,106,125.12
  5. Step 5: Solve for x
    x = 134,106,125.12/18,089.88
  6. Step 6: Final answer
    x = 7,413.32

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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.