Home / 19,974.19-27,559.46-12,211.05

Finding the Fourth Proportional to 19,974.19, 27,559.46 and 12,211.05

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Solution

The fourth proportional to 19,974.19, 27,559.46 and 12,211.05 is: 16,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.19 : 27,559.46 = 12,211.05 : x
  2. Step 2: Convert to fraction form
    19,974.19/27,559.46 = 12,211.05/x
  3. Step 3: Cross multiply
    19,974.19x = 27,559.46 × 12,211.05
  4. Step 4: Simplify right side
    19,974.19x = 336,529,745.18
  5. Step 5: Solve for x
    x = 336,529,745.18/19,974.19
  6. Step 6: Final answer
    x = 16,848.23

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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.