Home / 11,339.86-17,009.73-3,019.85

Finding the Fourth Proportional to 11,339.86, 17,009.73 and 3,019.85

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Solution

The fourth proportional to 11,339.86, 17,009.73 and 3,019.85 is: 4,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.86 : 17,009.73 = 3,019.85 : x
  2. Step 2: Convert to fraction form
    11,339.86/17,009.73 = 3,019.85/x
  3. Step 3: Cross multiply
    11,339.86x = 17,009.73 × 3,019.85
  4. Step 4: Simplify right side
    11,339.86x = 51,366,833.14
  5. Step 5: Solve for x
    x = 51,366,833.14/11,339.86
  6. Step 6: Final answer
    x = 4,529.76

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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.