Home / 12,554.45-18,832.40-3,790.25

Finding the Fourth Proportional to 12,554.45, 18,832.40 and 3,790.25

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Solution

The fourth proportional to 12,554.45, 18,832.40 and 3,790.25 is: 5,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.45 : 18,832.40 = 3,790.25 : x
  2. Step 2: Convert to fraction form
    12,554.45/18,832.40 = 3,790.25/x
  3. Step 3: Cross multiply
    12,554.45x = 18,832.40 × 3,790.25
  4. Step 4: Simplify right side
    12,554.45x = 71,379,504.10
  5. Step 5: Solve for x
    x = 71,379,504.10/12,554.45
  6. Step 6: Final answer
    x = 5,685.59

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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.