Home / 18,190.62-27,265.68-7,657.56

Finding the Fourth Proportional to 18,190.62, 27,265.68 and 7,657.56

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Solution

The fourth proportional to 18,190.62, 27,265.68 and 7,657.56 is: 11,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.62 : 27,265.68 = 7,657.56 : x
  2. Step 2: Convert to fraction form
    18,190.62/27,265.68 = 7,657.56/x
  3. Step 3: Cross multiply
    18,190.62x = 27,265.68 × 7,657.56
  4. Step 4: Simplify right side
    18,190.62x = 208,788,580.54
  5. Step 5: Solve for x
    x = 208,788,580.54/18,190.62
  6. Step 6: Final answer
    x = 11,477.82

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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.