Home / 15,965.76-23,945.90-4,276.26

Finding the Fourth Proportional to 15,965.76, 23,945.90 and 4,276.26

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Solution

The fourth proportional to 15,965.76, 23,945.90 and 4,276.26 is: 6,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.76 : 23,945.90 = 4,276.26 : x
  2. Step 2: Convert to fraction form
    15,965.76/23,945.90 = 4,276.26/x
  3. Step 3: Cross multiply
    15,965.76x = 23,945.90 × 4,276.26
  4. Step 4: Simplify right side
    15,965.76x = 102,398,894.33
  5. Step 5: Solve for x
    x = 102,398,894.33/15,965.76
  6. Step 6: Final answer
    x = 6,413.66

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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.