Home / 21,023.21-31,539.43-6,233.29

Finding the Fourth Proportional to 21,023.21, 31,539.43 and 6,233.29

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Solution

The fourth proportional to 21,023.21, 31,539.43 and 6,233.29 is: 9,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.21 : 31,539.43 = 6,233.29 : x
  2. Step 2: Convert to fraction form
    21,023.21/31,539.43 = 6,233.29/x
  3. Step 3: Cross multiply
    21,023.21x = 31,539.43 × 6,233.29
  4. Step 4: Simplify right side
    21,023.21x = 196,594,413.62
  5. Step 5: Solve for x
    x = 196,594,413.62/21,023.21
  6. Step 6: Final answer
    x = 9,351.30

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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.