Home / 13,202.75-19,804.38-4,878.47

Finding the Fourth Proportional to 13,202.75, 19,804.38 and 4,878.47

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Solution

The fourth proportional to 13,202.75, 19,804.38 and 4,878.47 is: 7,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.75 : 19,804.38 = 4,878.47 : x
  2. Step 2: Convert to fraction form
    13,202.75/19,804.38 = 4,878.47/x
  3. Step 3: Cross multiply
    13,202.75x = 19,804.38 × 4,878.47
  4. Step 4: Simplify right side
    13,202.75x = 96,615,073.70
  5. Step 5: Solve for x
    x = 96,615,073.70/13,202.75
  6. Step 6: Final answer
    x = 7,317.80

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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.