Home / 12,450.22-18,675.10-3,090.26

Finding the Fourth Proportional to 12,450.22, 18,675.10 and 3,090.26

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Solution

The fourth proportional to 12,450.22, 18,675.10 and 3,090.26 is: 4,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.22 : 18,675.10 = 3,090.26 : x
  2. Step 2: Convert to fraction form
    12,450.22/18,675.10 = 3,090.26/x
  3. Step 3: Cross multiply
    12,450.22x = 18,675.10 × 3,090.26
  4. Step 4: Simplify right side
    12,450.22x = 57,710,914.53
  5. Step 5: Solve for x
    x = 57,710,914.53/12,450.22
  6. Step 6: Final answer
    x = 4,635.33

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Similar ratio
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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.