Home / 18,074.45-27,111.58-12,057.80

Finding the Fourth Proportional to 18,074.45, 27,111.58 and 12,057.80

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Solution

The fourth proportional to 18,074.45, 27,111.58 and 12,057.80 is: 18,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.45 : 27,111.58 = 12,057.80 : x
  2. Step 2: Convert to fraction form
    18,074.45/27,111.58 = 12,057.80/x
  3. Step 3: Cross multiply
    18,074.45x = 27,111.58 × 12,057.80
  4. Step 4: Simplify right side
    18,074.45x = 326,905,996.12
  5. Step 5: Solve for x
    x = 326,905,996.12/18,074.45
  6. Step 6: Final answer
    x = 18,086.64

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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.