Home / 20,154.14-30,231.24-6,114.02

Finding the Fourth Proportional to 20,154.14, 30,231.24 and 6,114.02

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Solution

The fourth proportional to 20,154.14, 30,231.24 and 6,114.02 is: 9,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.14 : 30,231.24 = 6,114.02 : x
  2. Step 2: Convert to fraction form
    20,154.14/30,231.24 = 6,114.02/x
  3. Step 3: Cross multiply
    20,154.14x = 30,231.24 × 6,114.02
  4. Step 4: Simplify right side
    20,154.14x = 184,834,405.98
  5. Step 5: Solve for x
    x = 184,834,405.98/20,154.14
  6. Step 6: Final answer
    x = 9,171.04

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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.