Home / 18,251.73-27,377.79-5,771.45

Finding the Fourth Proportional to 18,251.73, 27,377.79 and 5,771.45

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Solution

The fourth proportional to 18,251.73, 27,377.79 and 5,771.45 is: 8,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.73 : 27,377.79 = 5,771.45 : x
  2. Step 2: Convert to fraction form
    18,251.73/27,377.79 = 5,771.45/x
  3. Step 3: Cross multiply
    18,251.73x = 27,377.79 × 5,771.45
  4. Step 4: Simplify right side
    18,251.73x = 158,009,409.21
  5. Step 5: Solve for x
    x = 158,009,409.21/18,251.73
  6. Step 6: Final answer
    x = 8,657.23

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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.