Home / 11,830.46-17,740.50-4,429.73

Finding the Fourth Proportional to 11,830.46, 17,740.50 and 4,429.73

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Solution

The fourth proportional to 11,830.46, 17,740.50 and 4,429.73 is: 6,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.46 : 17,740.50 = 4,429.73 : x
  2. Step 2: Convert to fraction form
    11,830.46/17,740.50 = 4,429.73/x
  3. Step 3: Cross multiply
    11,830.46x = 17,740.50 × 4,429.73
  4. Step 4: Simplify right side
    11,830.46x = 78,585,662.92
  5. Step 5: Solve for x
    x = 78,585,662.92/11,830.46
  6. Step 6: Final answer
    x = 6,642.65

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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.