Home / 18,521.52-27,757.43-11,944.32

Finding the Fourth Proportional to 18,521.52, 27,757.43 and 11,944.32

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Solution

The fourth proportional to 18,521.52, 27,757.43 and 11,944.32 is: 17,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.52 : 27,757.43 = 11,944.32 : x
  2. Step 2: Convert to fraction form
    18,521.52/27,757.43 = 11,944.32/x
  3. Step 3: Cross multiply
    18,521.52x = 27,757.43 × 11,944.32
  4. Step 4: Simplify right side
    18,521.52x = 331,543,626.30
  5. Step 5: Solve for x
    x = 331,543,626.30/18,521.52
  6. Step 6: Final answer
    x = 17,900.45

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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.