Home / 20,230.36-27,930.87-13,063.48

Finding the Fourth Proportional to 20,230.36, 27,930.87 and 13,063.48

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Solution

The fourth proportional to 20,230.36, 27,930.87 and 13,063.48 is: 18,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.36 : 27,930.87 = 13,063.48 : x
  2. Step 2: Convert to fraction form
    20,230.36/27,930.87 = 13,063.48/x
  3. Step 3: Cross multiply
    20,230.36x = 27,930.87 × 13,063.48
  4. Step 4: Simplify right side
    20,230.36x = 364,874,361.63
  5. Step 5: Solve for x
    x = 364,874,361.63/20,230.36
  6. Step 6: Final answer
    x = 18,035.98

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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.