Home / 13,912.26-20,882.06-10,203.93

Finding the Fourth Proportional to 13,912.26, 20,882.06 and 10,203.93

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Solution

The fourth proportional to 13,912.26, 20,882.06 and 10,203.93 is: 15,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.26 : 20,882.06 = 10,203.93 : x
  2. Step 2: Convert to fraction form
    13,912.26/20,882.06 = 10,203.93/x
  3. Step 3: Cross multiply
    13,912.26x = 20,882.06 × 10,203.93
  4. Step 4: Simplify right side
    13,912.26x = 213,079,027.48
  5. Step 5: Solve for x
    x = 213,079,027.48/13,912.26
  6. Step 6: Final answer
    x = 15,315.92

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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.