Home / 18,932.32-28,413.06-8,551.36

Finding the Fourth Proportional to 18,932.32, 28,413.06 and 8,551.36

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Solution

The fourth proportional to 18,932.32, 28,413.06 and 8,551.36 is: 12,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.32 : 28,413.06 = 8,551.36 : x
  2. Step 2: Convert to fraction form
    18,932.32/28,413.06 = 8,551.36/x
  3. Step 3: Cross multiply
    18,932.32x = 28,413.06 × 8,551.36
  4. Step 4: Simplify right side
    18,932.32x = 242,970,304.76
  5. Step 5: Solve for x
    x = 242,970,304.76/18,932.32
  6. Step 6: Final answer
    x = 12,833.63

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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.