Home / 15,413.76-23,120.52-8,014.40

Finding the Fourth Proportional to 15,413.76, 23,120.52 and 8,014.40

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Solution

The fourth proportional to 15,413.76, 23,120.52 and 8,014.40 is: 12,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.76 : 23,120.52 = 8,014.40 : x
  2. Step 2: Convert to fraction form
    15,413.76/23,120.52 = 8,014.40/x
  3. Step 3: Cross multiply
    15,413.76x = 23,120.52 × 8,014.40
  4. Step 4: Simplify right side
    15,413.76x = 185,297,095.49
  5. Step 5: Solve for x
    x = 185,297,095.49/15,413.76
  6. Step 6: Final answer
    x = 12,021.54

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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.