Home / 20,136.28-30,202.07-5,346.34

Finding the Fourth Proportional to 20,136.28, 30,202.07 and 5,346.34

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Solution

The fourth proportional to 20,136.28, 30,202.07 and 5,346.34 is: 8,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.28 : 30,202.07 = 5,346.34 : x
  2. Step 2: Convert to fraction form
    20,136.28/30,202.07 = 5,346.34/x
  3. Step 3: Cross multiply
    20,136.28x = 30,202.07 × 5,346.34
  4. Step 4: Simplify right side
    20,136.28x = 161,470,534.92
  5. Step 5: Solve for x
    x = 161,470,534.92/20,136.28
  6. Step 6: Final answer
    x = 8,018.89

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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.