Home / 13,993.58-20,988.56-4,133.90

Finding the Fourth Proportional to 13,993.58, 20,988.56 and 4,133.90

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Solution

The fourth proportional to 13,993.58, 20,988.56 and 4,133.90 is: 6,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.58 : 20,988.56 = 4,133.90 : x
  2. Step 2: Convert to fraction form
    13,993.58/20,988.56 = 4,133.90/x
  3. Step 3: Cross multiply
    13,993.58x = 20,988.56 × 4,133.90
  4. Step 4: Simplify right side
    13,993.58x = 86,764,608.18
  5. Step 5: Solve for x
    x = 86,764,608.18/13,993.58
  6. Step 6: Final answer
    x = 6,200.32

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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.