Home / 18,508.80-27,767.52-5,361.42

Finding the Fourth Proportional to 18,508.80, 27,767.52 and 5,361.42

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Solution

The fourth proportional to 18,508.80, 27,767.52 and 5,361.42 is: 8,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.80 : 27,767.52 = 5,361.42 : x
  2. Step 2: Convert to fraction form
    18,508.80/27,767.52 = 5,361.42/x
  3. Step 3: Cross multiply
    18,508.80x = 27,767.52 × 5,361.42
  4. Step 4: Simplify right side
    18,508.80x = 148,873,337.08
  5. Step 5: Solve for x
    x = 148,873,337.08/18,508.80
  6. Step 6: Final answer
    x = 8,043.38

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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.