Home / 19,171.88-28,757.66-7,493.24

Finding the Fourth Proportional to 19,171.88, 28,757.66 and 7,493.24

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Solution

The fourth proportional to 19,171.88, 28,757.66 and 7,493.24 is: 11,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.88 : 28,757.66 = 7,493.24 : x
  2. Step 2: Convert to fraction form
    19,171.88/28,757.66 = 7,493.24/x
  3. Step 3: Cross multiply
    19,171.88x = 28,757.66 × 7,493.24
  4. Step 4: Simplify right side
    19,171.88x = 215,488,048.22
  5. Step 5: Solve for x
    x = 215,488,048.22/19,171.88
  6. Step 6: Final answer
    x = 11,239.80

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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.