Home / 19,197.88-28,791.21-6,715.60

Finding the Fourth Proportional to 19,197.88, 28,791.21 and 6,715.60

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Solution

The fourth proportional to 19,197.88, 28,791.21 and 6,715.60 is: 10,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.88 : 28,791.21 = 6,715.60 : x
  2. Step 2: Convert to fraction form
    19,197.88/28,791.21 = 6,715.60/x
  3. Step 3: Cross multiply
    19,197.88x = 28,791.21 × 6,715.60
  4. Step 4: Simplify right side
    19,197.88x = 193,350,249.88
  5. Step 5: Solve for x
    x = 193,350,249.88/19,197.88
  6. Step 6: Final answer
    x = 10,071.44

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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.