Home / 15,879.98-23,812.26-4,784.60

Finding the Fourth Proportional to 15,879.98, 23,812.26 and 4,784.60

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Solution

The fourth proportional to 15,879.98, 23,812.26 and 4,784.60 is: 7,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.98 : 23,812.26 = 4,784.60 : x
  2. Step 2: Convert to fraction form
    15,879.98/23,812.26 = 4,784.60/x
  3. Step 3: Cross multiply
    15,879.98x = 23,812.26 × 4,784.60
  4. Step 4: Simplify right side
    15,879.98x = 113,932,020.13
  5. Step 5: Solve for x
    x = 113,932,020.13/15,879.98
  6. Step 6: Final answer
    x = 7,174.57

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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.