Home / 18,238.80-25,171.92-10,282.56

Finding the Fourth Proportional to 18,238.80, 25,171.92 and 10,282.56

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Solution

The fourth proportional to 18,238.80, 25,171.92 and 10,282.56 is: 14,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.80 : 25,171.92 = 10,282.56 : x
  2. Step 2: Convert to fraction form
    18,238.80/25,171.92 = 10,282.56/x
  3. Step 3: Cross multiply
    18,238.80x = 25,171.92 × 10,282.56
  4. Step 4: Simplify right side
    18,238.80x = 258,831,777.72
  5. Step 5: Solve for x
    x = 258,831,777.72/18,238.80
  6. Step 6: Final answer
    x = 14,191.27

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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.