Home / 15,413.50-23,125.20-6,179.50

Finding the Fourth Proportional to 15,413.50, 23,125.20 and 6,179.50

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Solution

The fourth proportional to 15,413.50, 23,125.20 and 6,179.50 is: 9,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.50 : 23,125.20 = 6,179.50 : x
  2. Step 2: Convert to fraction form
    15,413.50/23,125.20 = 6,179.50/x
  3. Step 3: Cross multiply
    15,413.50x = 23,125.20 × 6,179.50
  4. Step 4: Simplify right side
    15,413.50x = 142,902,173.40
  5. Step 5: Solve for x
    x = 142,902,173.40/15,413.50
  6. Step 6: Final answer
    x = 9,271.23

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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.