Home / 18,412.81-27,562.30-12,080.41

Finding the Fourth Proportional to 18,412.81, 27,562.30 and 12,080.41

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Solution

The fourth proportional to 18,412.81, 27,562.30 and 12,080.41 is: 18,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.81 : 27,562.30 = 12,080.41 : x
  2. Step 2: Convert to fraction form
    18,412.81/27,562.30 = 12,080.41/x
  3. Step 3: Cross multiply
    18,412.81x = 27,562.30 × 12,080.41
  4. Step 4: Simplify right side
    18,412.81x = 332,963,785.44
  5. Step 5: Solve for x
    x = 332,963,785.44/18,412.81
  6. Step 6: Final answer
    x = 18,083.27

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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.