Home / 12,170.26-18,251.74-4,377.25

Finding the Fourth Proportional to 12,170.26, 18,251.74 and 4,377.25

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Solution

The fourth proportional to 12,170.26, 18,251.74 and 4,377.25 is: 6,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.26 : 18,251.74 = 4,377.25 : x
  2. Step 2: Convert to fraction form
    12,170.26/18,251.74 = 4,377.25/x
  3. Step 3: Cross multiply
    12,170.26x = 18,251.74 × 4,377.25
  4. Step 4: Simplify right side
    12,170.26x = 79,892,428.92
  5. Step 5: Solve for x
    x = 79,892,428.92/12,170.26
  6. Step 6: Final answer
    x = 6,564.56

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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.