Home / 19,197.12-28,788.80-7,354.23

Finding the Fourth Proportional to 19,197.12, 28,788.80 and 7,354.23

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Solution

The fourth proportional to 19,197.12, 28,788.80 and 7,354.23 is: 11,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.12 : 28,788.80 = 7,354.23 : x
  2. Step 2: Convert to fraction form
    19,197.12/28,788.80 = 7,354.23/x
  3. Step 3: Cross multiply
    19,197.12x = 28,788.80 × 7,354.23
  4. Step 4: Simplify right side
    19,197.12x = 211,719,456.62
  5. Step 5: Solve for x
    x = 211,719,456.62/19,197.12
  6. Step 6: Final answer
    x = 11,028.71

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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.