Home / 16,860.09-25,286.88-5,170.17

Finding the Fourth Proportional to 16,860.09, 25,286.88 and 5,170.17

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Solution

The fourth proportional to 16,860.09, 25,286.88 and 5,170.17 is: 7,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.09 : 25,286.88 = 5,170.17 : x
  2. Step 2: Convert to fraction form
    16,860.09/25,286.88 = 5,170.17/x
  3. Step 3: Cross multiply
    16,860.09x = 25,286.88 × 5,170.17
  4. Step 4: Simplify right side
    16,860.09x = 130,737,468.37
  5. Step 5: Solve for x
    x = 130,737,468.37/16,860.09
  6. Step 6: Final answer
    x = 7,754.26

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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.