Home / 13,973.57-20,960.39-4,112.97

Finding the Fourth Proportional to 13,973.57, 20,960.39 and 4,112.97

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Solution

The fourth proportional to 13,973.57, 20,960.39 and 4,112.97 is: 6,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.57 : 20,960.39 = 4,112.97 : x
  2. Step 2: Convert to fraction form
    13,973.57/20,960.39 = 4,112.97/x
  3. Step 3: Cross multiply
    13,973.57x = 20,960.39 × 4,112.97
  4. Step 4: Simplify right side
    13,973.57x = 86,209,455.26
  5. Step 5: Solve for x
    x = 86,209,455.26/13,973.57
  6. Step 6: Final answer
    x = 6,169.47

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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.