Home / 18,513.28-27,769.92-10,717.84

Finding the Fourth Proportional to 18,513.28, 27,769.92 and 10,717.84

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Solution

The fourth proportional to 18,513.28, 27,769.92 and 10,717.84 is: 16,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.28 : 27,769.92 = 10,717.84 : x
  2. Step 2: Convert to fraction form
    18,513.28/27,769.92 = 10,717.84/x
  3. Step 3: Cross multiply
    18,513.28x = 27,769.92 × 10,717.84
  4. Step 4: Simplify right side
    18,513.28x = 297,633,559.37
  5. Step 5: Solve for x
    x = 297,633,559.37/18,513.28
  6. Step 6: Final answer
    x = 16,076.76

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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.