Home / 20,383.44-30,525.76-10,361.82

Finding the Fourth Proportional to 20,383.44, 30,525.76 and 10,361.82

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Solution

The fourth proportional to 20,383.44, 30,525.76 and 10,361.82 is: 15,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.44 : 30,525.76 = 10,361.82 : x
  2. Step 2: Convert to fraction form
    20,383.44/30,525.76 = 10,361.82/x
  3. Step 3: Cross multiply
    20,383.44x = 30,525.76 × 10,361.82
  4. Step 4: Simplify right side
    20,383.44x = 316,302,430.48
  5. Step 5: Solve for x
    x = 316,302,430.48/20,383.44
  6. Step 6: Final answer
    x = 15,517.62

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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.