Home / 9,974.80-14,969.40-4,135.60

Finding the Fourth Proportional to 9,974.80, 14,969.40 and 4,135.60

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Solution

The fourth proportional to 9,974.80, 14,969.40 and 4,135.60 is: 6,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.80 : 14,969.40 = 4,135.60 : x
  2. Step 2: Convert to fraction form
    9,974.80/14,969.40 = 4,135.60/x
  3. Step 3: Cross multiply
    9,974.80x = 14,969.40 × 4,135.60
  4. Step 4: Simplify right side
    9,974.80x = 61,907,450.64
  5. Step 5: Solve for x
    x = 61,907,450.64/9,974.80
  6. Step 6: Final answer
    x = 6,206.39

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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.