Home / 15,379.49-23,061.94-7,976.54

Finding the Fourth Proportional to 15,379.49, 23,061.94 and 7,976.54

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Solution

The fourth proportional to 15,379.49, 23,061.94 and 7,976.54 is: 11,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.49 : 23,061.94 = 7,976.54 : x
  2. Step 2: Convert to fraction form
    15,379.49/23,061.94 = 7,976.54/x
  3. Step 3: Cross multiply
    15,379.49x = 23,061.94 × 7,976.54
  4. Step 4: Simplify right side
    15,379.49x = 183,954,486.89
  5. Step 5: Solve for x
    x = 183,954,486.89/15,379.49
  6. Step 6: Final answer
    x = 11,961.03

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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.