Home / 16,878.24-25,279.92-13,583.04

Finding the Fourth Proportional to 16,878.24, 25,279.92 and 13,583.04

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Solution

The fourth proportional to 16,878.24, 25,279.92 and 13,583.04 is: 20,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.24 : 25,279.92 = 13,583.04 : x
  2. Step 2: Convert to fraction form
    16,878.24/25,279.92 = 13,583.04/x
  3. Step 3: Cross multiply
    16,878.24x = 25,279.92 × 13,583.04
  4. Step 4: Simplify right side
    16,878.24x = 343,378,164.56
  5. Step 5: Solve for x
    x = 343,378,164.56/16,878.24
  6. Step 6: Final answer
    x = 20,344.43

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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.