Home / 18,039.16-27,052.24-6,940.20

Finding the Fourth Proportional to 18,039.16, 27,052.24 and 6,940.20

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Solution

The fourth proportional to 18,039.16, 27,052.24 and 6,940.20 is: 10,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.16 : 27,052.24 = 6,940.20 : x
  2. Step 2: Convert to fraction form
    18,039.16/27,052.24 = 6,940.20/x
  3. Step 3: Cross multiply
    18,039.16x = 27,052.24 × 6,940.20
  4. Step 4: Simplify right side
    18,039.16x = 187,747,956.05
  5. Step 5: Solve for x
    x = 187,747,956.05/18,039.16
  6. Step 6: Final answer
    x = 10,407.80

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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.