Home / 20,276.07-30,413.79-6,236.28

Finding the Fourth Proportional to 20,276.07, 30,413.79 and 6,236.28

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Solution

The fourth proportional to 20,276.07, 30,413.79 and 6,236.28 is: 9,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.07 : 30,413.79 = 6,236.28 : x
  2. Step 2: Convert to fraction form
    20,276.07/30,413.79 = 6,236.28/x
  3. Step 3: Cross multiply
    20,276.07x = 30,413.79 × 6,236.28
  4. Step 4: Simplify right side
    20,276.07x = 189,668,910.30
  5. Step 5: Solve for x
    x = 189,668,910.30/20,276.07
  6. Step 6: Final answer
    x = 9,354.32

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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.