Home / 23,413.36-35,099.20-8,618.76

Finding the Fourth Proportional to 23,413.36, 35,099.20 and 8,618.76

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Solution

The fourth proportional to 23,413.36, 35,099.20 and 8,618.76 is: 12,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,413.36 : 35,099.20 = 8,618.76 : x
  2. Step 2: Convert to fraction form
    23,413.36/35,099.20 = 8,618.76/x
  3. Step 3: Cross multiply
    23,413.36x = 35,099.20 × 8,618.76
  4. Step 4: Simplify right side
    23,413.36x = 302,511,580.99
  5. Step 5: Solve for x
    x = 302,511,580.99/23,413.36
  6. Step 6: Final answer
    x = 12,920.47

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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.