Home / 19,405.94-29,084.54-8,299.56

Finding the Fourth Proportional to 19,405.94, 29,084.54 and 8,299.56

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Solution

The fourth proportional to 19,405.94, 29,084.54 and 8,299.56 is: 12,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.94 : 29,084.54 = 8,299.56 : x
  2. Step 2: Convert to fraction form
    19,405.94/29,084.54 = 8,299.56/x
  3. Step 3: Cross multiply
    19,405.94x = 29,084.54 × 8,299.56
  4. Step 4: Simplify right side
    19,405.94x = 241,388,884.80
  5. Step 5: Solve for x
    x = 241,388,884.80/19,405.94
  6. Step 6: Final answer
    x = 12,438.92

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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.