Home / 13,474.85-20,209.55-3,611.84

Finding the Fourth Proportional to 13,474.85, 20,209.55 and 3,611.84

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Solution

The fourth proportional to 13,474.85, 20,209.55 and 3,611.84 is: 5,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.85 : 20,209.55 = 3,611.84 : x
  2. Step 2: Convert to fraction form
    13,474.85/20,209.55 = 3,611.84/x
  3. Step 3: Cross multiply
    13,474.85x = 20,209.55 × 3,611.84
  4. Step 4: Simplify right side
    13,474.85x = 72,993,541.97
  5. Step 5: Solve for x
    x = 72,993,541.97/13,474.85
  6. Step 6: Final answer
    x = 5,417.02

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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.