Home / 16,855.24-25,286.70-5,169.40

Finding the Fourth Proportional to 16,855.24, 25,286.70 and 5,169.40

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Solution

The fourth proportional to 16,855.24, 25,286.70 and 5,169.40 is: 7,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.24 : 25,286.70 = 5,169.40 : x
  2. Step 2: Convert to fraction form
    16,855.24/25,286.70 = 5,169.40/x
  3. Step 3: Cross multiply
    16,855.24x = 25,286.70 × 5,169.40
  4. Step 4: Simplify right side
    16,855.24x = 130,717,066.98
  5. Step 5: Solve for x
    x = 130,717,066.98/16,855.24
  6. Step 6: Final answer
    x = 7,755.28

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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.