Home / 20,246.49-27,940.07-11,293.98

Finding the Fourth Proportional to 20,246.49, 27,940.07 and 11,293.98

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Solution

The fourth proportional to 20,246.49, 27,940.07 and 11,293.98 is: 15,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.49 : 27,940.07 = 11,293.98 : x
  2. Step 2: Convert to fraction form
    20,246.49/27,940.07 = 11,293.98/x
  3. Step 3: Cross multiply
    20,246.49x = 27,940.07 × 11,293.98
  4. Step 4: Simplify right side
    20,246.49x = 315,554,591.78
  5. Step 5: Solve for x
    x = 315,554,591.78/20,246.49
  6. Step 6: Final answer
    x = 15,585.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.