Home / 16,818.20-23,183.76-13,828.85

Finding the Fourth Proportional to 16,818.20, 23,183.76 and 13,828.85

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Solution

The fourth proportional to 16,818.20, 23,183.76 and 13,828.85 is: 19,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.20 : 23,183.76 = 13,828.85 : x
  2. Step 2: Convert to fraction form
    16,818.20/23,183.76 = 13,828.85/x
  3. Step 3: Cross multiply
    16,818.20x = 23,183.76 × 13,828.85
  4. Step 4: Simplify right side
    16,818.20x = 320,604,739.48
  5. Step 5: Solve for x
    x = 320,604,739.48/16,818.20
  6. Step 6: Final answer
    x = 19,062.96

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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.