Home / 16,858.27-25,286.49-5,171.49

Finding the Fourth Proportional to 16,858.27, 25,286.49 and 5,171.49

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Solution

The fourth proportional to 16,858.27, 25,286.49 and 5,171.49 is: 7,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.27 : 25,286.49 = 5,171.49 : x
  2. Step 2: Convert to fraction form
    16,858.27/25,286.49 = 5,171.49/x
  3. Step 3: Cross multiply
    16,858.27x = 25,286.49 × 5,171.49
  4. Step 4: Simplify right side
    16,858.27x = 130,768,830.17
  5. Step 5: Solve for x
    x = 130,768,830.17/16,858.27
  6. Step 6: Final answer
    x = 7,756.96

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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.