Home / 19,695.21-27,183.80-12,523.73

Finding the Fourth Proportional to 19,695.21, 27,183.80 and 12,523.73

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Solution

The fourth proportional to 19,695.21, 27,183.80 and 12,523.73 is: 17,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.21 : 27,183.80 = 12,523.73 : x
  2. Step 2: Convert to fraction form
    19,695.21/27,183.80 = 12,523.73/x
  3. Step 3: Cross multiply
    19,695.21x = 27,183.80 × 12,523.73
  4. Step 4: Simplify right side
    19,695.21x = 340,442,373.04
  5. Step 5: Solve for x
    x = 340,442,373.04/19,695.21
  6. Step 6: Final answer
    x = 17,285.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.