Home / 19,188.48-28,765.80-7,493.52

Finding the Fourth Proportional to 19,188.48, 28,765.80 and 7,493.52

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Solution

The fourth proportional to 19,188.48, 28,765.80 and 7,493.52 is: 11,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.48 : 28,765.80 = 7,493.52 : x
  2. Step 2: Convert to fraction form
    19,188.48/28,765.80 = 7,493.52/x
  3. Step 3: Cross multiply
    19,188.48x = 28,765.80 × 7,493.52
  4. Step 4: Simplify right side
    19,188.48x = 215,557,097.62
  5. Step 5: Solve for x
    x = 215,557,097.62/19,188.48
  6. Step 6: Final answer
    x = 11,233.67

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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.