Home / 19,074.57-28,611.24-5,747.64

Finding the Fourth Proportional to 19,074.57, 28,611.24 and 5,747.64

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Solution

The fourth proportional to 19,074.57, 28,611.24 and 5,747.64 is: 8,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.57 : 28,611.24 = 5,747.64 : x
  2. Step 2: Convert to fraction form
    19,074.57/28,611.24 = 5,747.64/x
  3. Step 3: Cross multiply
    19,074.57x = 28,611.24 × 5,747.64
  4. Step 4: Simplify right side
    19,074.57x = 164,447,107.47
  5. Step 5: Solve for x
    x = 164,447,107.47/19,074.57
  6. Step 6: Final answer
    x = 8,621.27

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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.