Home / 8,015.36-12,027.29-4,119.80

Finding the Fourth Proportional to 8,015.36, 12,027.29 and 4,119.80

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Solution

The fourth proportional to 8,015.36, 12,027.29 and 4,119.80 is: 6,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.36 : 12,027.29 = 4,119.80 : x
  2. Step 2: Convert to fraction form
    8,015.36/12,027.29 = 4,119.80/x
  3. Step 3: Cross multiply
    8,015.36x = 12,027.29 × 4,119.80
  4. Step 4: Simplify right side
    8,015.36x = 49,549,948.61
  5. Step 5: Solve for x
    x = 49,549,948.61/8,015.36
  6. Step 6: Final answer
    x = 6,181.88

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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.