Home / 19,100.67-28,644.51-6,617.78

Finding the Fourth Proportional to 19,100.67, 28,644.51 and 6,617.78

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Solution

The fourth proportional to 19,100.67, 28,644.51 and 6,617.78 is: 9,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.67 : 28,644.51 = 6,617.78 : x
  2. Step 2: Convert to fraction form
    19,100.67/28,644.51 = 6,617.78/x
  3. Step 3: Cross multiply
    19,100.67x = 28,644.51 × 6,617.78
  4. Step 4: Simplify right side
    19,100.67x = 189,562,944.75
  5. Step 5: Solve for x
    x = 189,562,944.75/19,100.67
  6. Step 6: Final answer
    x = 9,924.42

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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.