Home / 12,675.06-19,010.55-3,790.26

Finding the Fourth Proportional to 12,675.06, 19,010.55 and 3,790.26

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Solution

The fourth proportional to 12,675.06, 19,010.55 and 3,790.26 is: 5,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.06 : 19,010.55 = 3,790.26 : x
  2. Step 2: Convert to fraction form
    12,675.06/19,010.55 = 3,790.26/x
  3. Step 3: Cross multiply
    12,675.06x = 19,010.55 × 3,790.26
  4. Step 4: Simplify right side
    12,675.06x = 72,054,927.24
  5. Step 5: Solve for x
    x = 72,054,927.24/12,675.06
  6. Step 6: Final answer
    x = 5,684.78

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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.