Home / 13,883.85-20,825.19-4,999.41

Finding the Fourth Proportional to 13,883.85, 20,825.19 and 4,999.41

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Solution

The fourth proportional to 13,883.85, 20,825.19 and 4,999.41 is: 7,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.85 : 20,825.19 = 4,999.41 : x
  2. Step 2: Convert to fraction form
    13,883.85/20,825.19 = 4,999.41/x
  3. Step 3: Cross multiply
    13,883.85x = 20,825.19 × 4,999.41
  4. Step 4: Simplify right side
    13,883.85x = 104,113,663.14
  5. Step 5: Solve for x
    x = 104,113,663.14/13,883.85
  6. Step 6: Final answer
    x = 7,498.90

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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.