Home / 19,824.94-27,361.20-12,273.68

Finding the Fourth Proportional to 19,824.94, 27,361.20 and 12,273.68

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Solution

The fourth proportional to 19,824.94, 27,361.20 and 12,273.68 is: 16,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.94 : 27,361.20 = 12,273.68 : x
  2. Step 2: Convert to fraction form
    19,824.94/27,361.20 = 12,273.68/x
  3. Step 3: Cross multiply
    19,824.94x = 27,361.20 × 12,273.68
  4. Step 4: Simplify right side
    19,824.94x = 335,822,613.22
  5. Step 5: Solve for x
    x = 335,822,613.22/19,824.94
  6. Step 6: Final answer
    x = 16,939.40

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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.