Home / 19,703.06-27,193.73-11,745.80

Finding the Fourth Proportional to 19,703.06, 27,193.73 and 11,745.80

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Solution

The fourth proportional to 19,703.06, 27,193.73 and 11,745.80 is: 16,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.06 : 27,193.73 = 11,745.80 : x
  2. Step 2: Convert to fraction form
    19,703.06/27,193.73 = 11,745.80/x
  3. Step 3: Cross multiply
    19,703.06x = 27,193.73 × 11,745.80
  4. Step 4: Simplify right side
    19,703.06x = 319,412,113.83
  5. Step 5: Solve for x
    x = 319,412,113.83/19,703.06
  6. Step 6: Final answer
    x = 16,211.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.