Home / 18,791.28-25,932.24-10,407.84

Finding the Fourth Proportional to 18,791.28, 25,932.24 and 10,407.84

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Solution

The fourth proportional to 18,791.28, 25,932.24 and 10,407.84 is: 14,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791.28 : 25,932.24 = 10,407.84 : x
  2. Step 2: Convert to fraction form
    18,791.28/25,932.24 = 10,407.84/x
  3. Step 3: Cross multiply
    18,791.28x = 25,932.24 × 10,407.84
  4. Step 4: Simplify right side
    18,791.28x = 269,898,604.76
  5. Step 5: Solve for x
    x = 269,898,604.76/18,791.28
  6. Step 6: Final answer
    x = 14,362.97

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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.