Home / 18,057.94-27,123.66-13,883.40

Finding the Fourth Proportional to 18,057.94, 27,123.66 and 13,883.40

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Solution

The fourth proportional to 18,057.94, 27,123.66 and 13,883.40 is: 20,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.94 : 27,123.66 = 13,883.40 : x
  2. Step 2: Convert to fraction form
    18,057.94/27,123.66 = 13,883.40/x
  3. Step 3: Cross multiply
    18,057.94x = 27,123.66 × 13,883.40
  4. Step 4: Simplify right side
    18,057.94x = 376,568,621.24
  5. Step 5: Solve for x
    x = 376,568,621.24/18,057.94
  6. Step 6: Final answer
    x = 20,853.36

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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.