Home / 9,919.62-14,879.46-3,345.84

Finding the Fourth Proportional to 9,919.62, 14,879.46 and 3,345.84

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Solution

The fourth proportional to 9,919.62, 14,879.46 and 3,345.84 is: 5,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.62 : 14,879.46 = 3,345.84 : x
  2. Step 2: Convert to fraction form
    9,919.62/14,879.46 = 3,345.84/x
  3. Step 3: Cross multiply
    9,919.62x = 14,879.46 × 3,345.84
  4. Step 4: Simplify right side
    9,919.62x = 49,784,292.45
  5. Step 5: Solve for x
    x = 49,784,292.45/9,919.62
  6. Step 6: Final answer
    x = 5,018.77

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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.