Home / 20,157.92-30,236.93-6,118.05

Finding the Fourth Proportional to 20,157.92, 30,236.93 and 6,118.05

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Solution

The fourth proportional to 20,157.92, 30,236.93 and 6,118.05 is: 9,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.92 : 30,236.93 = 6,118.05 : x
  2. Step 2: Convert to fraction form
    20,157.92/30,236.93 = 6,118.05/x
  3. Step 3: Cross multiply
    20,157.92x = 30,236.93 × 6,118.05
  4. Step 4: Simplify right side
    20,157.92x = 184,991,019.00
  5. Step 5: Solve for x
    x = 184,991,019.00/20,157.92
  6. Step 6: Final answer
    x = 9,177.09

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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.