Home / 20,276.44-30,413.76-6,235.92

Finding the Fourth Proportional to 20,276.44, 30,413.76 and 6,235.92

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Solution

The fourth proportional to 20,276.44, 30,413.76 and 6,235.92 is: 9,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.44 : 30,413.76 = 6,235.92 : x
  2. Step 2: Convert to fraction form
    20,276.44/30,413.76 = 6,235.92/x
  3. Step 3: Cross multiply
    20,276.44x = 30,413.76 × 6,235.92
  4. Step 4: Simplify right side
    20,276.44x = 189,657,774.26
  5. Step 5: Solve for x
    x = 189,657,774.26/20,276.44
  6. Step 6: Final answer
    x = 9,353.60

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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.