Home / 19,090.52-28,635.34-6,609.79

Finding the Fourth Proportional to 19,090.52, 28,635.34 and 6,609.79

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Solution

The fourth proportional to 19,090.52, 28,635.34 and 6,609.79 is: 9,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.52 : 28,635.34 = 6,609.79 : x
  2. Step 2: Convert to fraction form
    19,090.52/28,635.34 = 6,609.79/x
  3. Step 3: Cross multiply
    19,090.52x = 28,635.34 × 6,609.79
  4. Step 4: Simplify right side
    19,090.52x = 189,273,583.98
  5. Step 5: Solve for x
    x = 189,273,583.98/19,090.52
  6. Step 6: Final answer
    x = 9,914.53

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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.