Home / 13,993.14-20,989.98-4,132.62

Finding the Fourth Proportional to 13,993.14, 20,989.98 and 4,132.62

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Solution

The fourth proportional to 13,993.14, 20,989.98 and 4,132.62 is: 6,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.14 : 20,989.98 = 4,132.62 : x
  2. Step 2: Convert to fraction form
    13,993.14/20,989.98 = 4,132.62/x
  3. Step 3: Cross multiply
    13,993.14x = 20,989.98 × 4,132.62
  4. Step 4: Simplify right side
    13,993.14x = 86,743,611.15
  5. Step 5: Solve for x
    x = 86,743,611.15/13,993.14
  6. Step 6: Final answer
    x = 6,199.01

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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.