Home / 8,015.45-12,027.48-3,338.69

Finding the Fourth Proportional to 8,015.45, 12,027.48 and 3,338.69

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Solution

The fourth proportional to 8,015.45, 12,027.48 and 3,338.69 is: 5,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.45 : 12,027.48 = 3,338.69 : x
  2. Step 2: Convert to fraction form
    8,015.45/12,027.48 = 3,338.69/x
  3. Step 3: Cross multiply
    8,015.45x = 12,027.48 × 3,338.69
  4. Step 4: Simplify right side
    8,015.45x = 40,155,967.06
  5. Step 5: Solve for x
    x = 40,155,967.06/8,015.45
  6. Step 6: Final answer
    x = 5,009.82

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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.