Home / 13,975.49-20,963.43-4,112.52

Finding the Fourth Proportional to 13,975.49, 20,963.43 and 4,112.52

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Solution

The fourth proportional to 13,975.49, 20,963.43 and 4,112.52 is: 6,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.49 : 20,963.43 = 4,112.52 : x
  2. Step 2: Convert to fraction form
    13,975.49/20,963.43 = 4,112.52/x
  3. Step 3: Cross multiply
    13,975.49x = 20,963.43 × 4,112.52
  4. Step 4: Simplify right side
    13,975.49x = 86,212,525.14
  5. Step 5: Solve for x
    x = 86,212,525.14/13,975.49
  6. Step 6: Final answer
    x = 6,168.84

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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.