Home / 18,154.68-27,218.60-7,627.82

Finding the Fourth Proportional to 18,154.68, 27,218.60 and 7,627.82

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Solution

The fourth proportional to 18,154.68, 27,218.60 and 7,627.82 is: 11,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.68 : 27,218.60 = 7,627.82 : x
  2. Step 2: Convert to fraction form
    18,154.68/27,218.60 = 7,627.82/x
  3. Step 3: Cross multiply
    18,154.68x = 27,218.60 × 7,627.82
  4. Step 4: Simplify right side
    18,154.68x = 207,618,435.82
  5. Step 5: Solve for x
    x = 207,618,435.82/18,154.68
  6. Step 6: Final answer
    x = 11,436.09

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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.