Home / 12,612.01-18,917.96-3,846.90

Finding the Fourth Proportional to 12,612.01, 18,917.96 and 3,846.90

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Solution

The fourth proportional to 12,612.01, 18,917.96 and 3,846.90 is: 5,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.01 : 18,917.96 = 3,846.90 : x
  2. Step 2: Convert to fraction form
    12,612.01/18,917.96 = 3,846.90/x
  3. Step 3: Cross multiply
    12,612.01x = 18,917.96 × 3,846.90
  4. Step 4: Simplify right side
    12,612.01x = 72,775,500.32
  5. Step 5: Solve for x
    x = 72,775,500.32/12,612.01
  6. Step 6: Final answer
    x = 5,770.33

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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.