Home / 12,162.15-18,207.68-10,994.84

Finding the Fourth Proportional to 12,162.15, 18,207.68 and 10,994.84

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Solution

The fourth proportional to 12,162.15, 18,207.68 and 10,994.84 is: 16,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.15 : 18,207.68 = 10,994.84 : x
  2. Step 2: Convert to fraction form
    12,162.15/18,207.68 = 10,994.84/x
  3. Step 3: Cross multiply
    12,162.15x = 18,207.68 × 10,994.84
  4. Step 4: Simplify right side
    12,162.15x = 200,190,528.37
  5. Step 5: Solve for x
    x = 200,190,528.37/12,162.15
  6. Step 6: Final answer
    x = 16,460.13

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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.