Home / 19,741.88-27,255.66-12,299.96

Finding the Fourth Proportional to 19,741.88, 27,255.66 and 12,299.96

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Solution

The fourth proportional to 19,741.88, 27,255.66 and 12,299.96 is: 16,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.88 : 27,255.66 = 12,299.96 : x
  2. Step 2: Convert to fraction form
    19,741.88/27,255.66 = 12,299.96/x
  3. Step 3: Cross multiply
    19,741.88x = 27,255.66 × 12,299.96
  4. Step 4: Simplify right side
    19,741.88x = 335,243,527.77
  5. Step 5: Solve for x
    x = 335,243,527.77/19,741.88
  6. Step 6: Final answer
    x = 16,981.34

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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.