Home / 19,202.46-28,786.41-9,940.38

Finding the Fourth Proportional to 19,202.46, 28,786.41 and 9,940.38

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Solution

The fourth proportional to 19,202.46, 28,786.41 and 9,940.38 is: 14,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.46 : 28,786.41 = 9,940.38 : x
  2. Step 2: Convert to fraction form
    19,202.46/28,786.41 = 9,940.38/x
  3. Step 3: Cross multiply
    19,202.46x = 28,786.41 × 9,940.38
  4. Step 4: Simplify right side
    19,202.46x = 286,147,854.24
  5. Step 5: Solve for x
    x = 286,147,854.24/19,202.46
  6. Step 6: Final answer
    x = 14,901.62

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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.