Home / 19,192.22-28,788.32-7,497.23

Finding the Fourth Proportional to 19,192.22, 28,788.32 and 7,497.23

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Solution

The fourth proportional to 19,192.22, 28,788.32 and 7,497.23 is: 11,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.22 : 28,788.32 = 7,497.23 : x
  2. Step 2: Convert to fraction form
    19,192.22/28,788.32 = 7,497.23/x
  3. Step 3: Cross multiply
    19,192.22x = 28,788.32 × 7,497.23
  4. Step 4: Simplify right side
    19,192.22x = 215,832,747.07
  5. Step 5: Solve for x
    x = 215,832,747.07/19,192.22
  6. Step 6: Final answer
    x = 11,245.85

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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.