Home / 13,436.94-20,153.55-3,577.02

Finding the Fourth Proportional to 13,436.94, 20,153.55 and 3,577.02

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Solution

The fourth proportional to 13,436.94, 20,153.55 and 3,577.02 is: 5,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.94 : 20,153.55 = 3,577.02 : x
  2. Step 2: Convert to fraction form
    13,436.94/20,153.55 = 3,577.02/x
  3. Step 3: Cross multiply
    13,436.94x = 20,153.55 × 3,577.02
  4. Step 4: Simplify right side
    13,436.94x = 72,089,651.42
  5. Step 5: Solve for x
    x = 72,089,651.42/13,436.94
  6. Step 6: Final answer
    x = 5,365.03

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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.