Home / 19,974.22-27,559.50-12,211.07

Finding the Fourth Proportional to 19,974.22, 27,559.50 and 12,211.07

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Solution

The fourth proportional to 19,974.22, 27,559.50 and 12,211.07 is: 16,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.22 : 27,559.50 = 12,211.07 : x
  2. Step 2: Convert to fraction form
    19,974.22/27,559.50 = 12,211.07/x
  3. Step 3: Cross multiply
    19,974.22x = 27,559.50 × 12,211.07
  4. Step 4: Simplify right side
    19,974.22x = 336,530,983.67
  5. Step 5: Solve for x
    x = 336,530,983.67/19,974.22
  6. Step 6: Final answer
    x = 16,848.27

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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.