Home / 18,251.18-27,379.47-5,768.37

Finding the Fourth Proportional to 18,251.18, 27,379.47 and 5,768.37

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Solution

The fourth proportional to 18,251.18, 27,379.47 and 5,768.37 is: 8,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.18 : 27,379.47 = 5,768.37 : x
  2. Step 2: Convert to fraction form
    18,251.18/27,379.47 = 5,768.37/x
  3. Step 3: Cross multiply
    18,251.18x = 27,379.47 × 5,768.37
  4. Step 4: Simplify right side
    18,251.18x = 157,934,979.55
  5. Step 5: Solve for x
    x = 157,934,979.55/18,251.18
  6. Step 6: Final answer
    x = 8,653.41

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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.