Home / 20,154.53-30,231.87-6,114.68

Finding the Fourth Proportional to 20,154.53, 30,231.87 and 6,114.68

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Solution

The fourth proportional to 20,154.53, 30,231.87 and 6,114.68 is: 9,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.53 : 30,231.87 = 6,114.68 : x
  2. Step 2: Convert to fraction form
    20,154.53/30,231.87 = 6,114.68/x
  3. Step 3: Cross multiply
    20,154.53x = 30,231.87 × 6,114.68
  4. Step 4: Simplify right side
    20,154.53x = 184,858,210.85
  5. Step 5: Solve for x
    x = 184,858,210.85/20,154.53
  6. Step 6: Final answer
    x = 9,172.04

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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.