Home / 15,914.40-23,879.52-12,042.56

Finding the Fourth Proportional to 15,914.40, 23,879.52 and 12,042.56

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Solution

The fourth proportional to 15,914.40, 23,879.52 and 12,042.56 is: 18,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.40 : 23,879.52 = 12,042.56 : x
  2. Step 2: Convert to fraction form
    15,914.40/23,879.52 = 12,042.56/x
  3. Step 3: Cross multiply
    15,914.40x = 23,879.52 × 12,042.56
  4. Step 4: Simplify right side
    15,914.40x = 287,570,552.37
  5. Step 5: Solve for x
    x = 287,570,552.37/15,914.40
  6. Step 6: Final answer
    x = 18,069.83

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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.