Home / 18,162.40-27,257.12-13,493.28

Finding the Fourth Proportional to 18,162.40, 27,257.12 and 13,493.28

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Solution

The fourth proportional to 18,162.40, 27,257.12 and 13,493.28 is: 20,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.40 : 27,257.12 = 13,493.28 : x
  2. Step 2: Convert to fraction form
    18,162.40/27,257.12 = 13,493.28/x
  3. Step 3: Cross multiply
    18,162.40x = 27,257.12 × 13,493.28
  4. Step 4: Simplify right side
    18,162.40x = 367,787,952.15
  5. Step 5: Solve for x
    x = 367,787,952.15/18,162.40
  6. Step 6: Final answer
    x = 20,249.96

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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.