Home / 13,884.21-20,804.45-7,635.06

Finding the Fourth Proportional to 13,884.21, 20,804.45 and 7,635.06

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Solution

The fourth proportional to 13,884.21, 20,804.45 and 7,635.06 is: 11,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.21 : 20,804.45 = 7,635.06 : x
  2. Step 2: Convert to fraction form
    13,884.21/20,804.45 = 7,635.06/x
  3. Step 3: Cross multiply
    13,884.21x = 20,804.45 × 7,635.06
  4. Step 4: Simplify right side
    13,884.21x = 158,843,185.84
  5. Step 5: Solve for x
    x = 158,843,185.84/13,884.21
  6. Step 6: Final answer
    x = 11,440.56

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1.5x scale

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.