Home / 14,833.39-20,469.57-8,118.87

Finding the Fourth Proportional to 14,833.39, 20,469.57 and 8,118.87

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Solution

The fourth proportional to 14,833.39, 20,469.57 and 8,118.87 is: 11,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.39 : 20,469.57 = 8,118.87 : x
  2. Step 2: Convert to fraction form
    14,833.39/20,469.57 = 8,118.87/x
  3. Step 3: Cross multiply
    14,833.39x = 20,469.57 × 8,118.87
  4. Step 4: Simplify right side
    14,833.39x = 166,189,777.79
  5. Step 5: Solve for x
    x = 166,189,777.79/14,833.39
  6. Step 6: Final answer
    x = 11,203.76

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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.