Home / 20,393.43-30,597.84-13,881.03

Finding the Fourth Proportional to 20,393.43, 30,597.84 and 13,881.03

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Solution

The fourth proportional to 20,393.43, 30,597.84 and 13,881.03 is: 20,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.43 : 30,597.84 = 13,881.03 : x
  2. Step 2: Convert to fraction form
    20,393.43/30,597.84 = 13,881.03/x
  3. Step 3: Cross multiply
    20,393.43x = 30,597.84 × 13,881.03
  4. Step 4: Simplify right side
    20,393.43x = 424,729,534.98
  5. Step 5: Solve for x
    x = 424,729,534.98/20,393.43
  6. Step 6: Final answer
    x = 20,826.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.