Home / 18,162.36-25,065.84-12,206.46

Finding the Fourth Proportional to 18,162.36, 25,065.84 and 12,206.46

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Solution

The fourth proportional to 18,162.36, 25,065.84 and 12,206.46 is: 16,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.36 : 25,065.84 = 12,206.46 : x
  2. Step 2: Convert to fraction form
    18,162.36/25,065.84 = 12,206.46/x
  3. Step 3: Cross multiply
    18,162.36x = 25,065.84 × 12,206.46
  4. Step 4: Simplify right side
    18,162.36x = 305,965,173.33
  5. Step 5: Solve for x
    x = 305,965,173.33/18,162.36
  6. Step 6: Final answer
    x = 16,846.11

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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.