Home / 15,413.96-23,121.84-4,320.32

Finding the Fourth Proportional to 15,413.96, 23,121.84 and 4,320.32

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Solution

The fourth proportional to 15,413.96, 23,121.84 and 4,320.32 is: 6,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.96 : 23,121.84 = 4,320.32 : x
  2. Step 2: Convert to fraction form
    15,413.96/23,121.84 = 4,320.32/x
  3. Step 3: Cross multiply
    15,413.96x = 23,121.84 × 4,320.32
  4. Step 4: Simplify right side
    15,413.96x = 99,893,747.79
  5. Step 5: Solve for x
    x = 99,893,747.79/15,413.96
  6. Step 6: Final answer
    x = 6,480.73

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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.