Home / 19,713.03-27,202.80-11,213.92

Finding the Fourth Proportional to 19,713.03, 27,202.80 and 11,213.92

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Solution

The fourth proportional to 19,713.03, 27,202.80 and 11,213.92 is: 15,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.03 : 27,202.80 = 11,213.92 : x
  2. Step 2: Convert to fraction form
    19,713.03/27,202.80 = 11,213.92/x
  3. Step 3: Cross multiply
    19,713.03x = 27,202.80 × 11,213.92
  4. Step 4: Simplify right side
    19,713.03x = 305,050,022.98
  5. Step 5: Solve for x
    x = 305,050,022.98/19,713.03
  6. Step 6: Final answer
    x = 15,474.54

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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.