Home / 20,134.28-30,199.07-5,344.34

Finding the Fourth Proportional to 20,134.28, 30,199.07 and 5,344.34

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Solution

The fourth proportional to 20,134.28, 30,199.07 and 5,344.34 is: 8,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.28 : 30,199.07 = 5,344.34 : x
  2. Step 2: Convert to fraction form
    20,134.28/30,199.07 = 5,344.34/x
  3. Step 3: Cross multiply
    20,134.28x = 30,199.07 × 5,344.34
  4. Step 4: Simplify right side
    20,134.28x = 161,394,159.90
  5. Step 5: Solve for x
    x = 161,394,159.90/20,134.28
  6. Step 6: Final answer
    x = 8,015.89

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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.