Home / 12,867.67-19,295.34-6,286.15

Finding the Fourth Proportional to 12,867.67, 19,295.34 and 6,286.15

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Solution

The fourth proportional to 12,867.67, 19,295.34 and 6,286.15 is: 9,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.67 : 19,295.34 = 6,286.15 : x
  2. Step 2: Convert to fraction form
    12,867.67/19,295.34 = 6,286.15/x
  3. Step 3: Cross multiply
    12,867.67x = 19,295.34 × 6,286.15
  4. Step 4: Simplify right side
    12,867.67x = 121,293,401.54
  5. Step 5: Solve for x
    x = 121,293,401.54/12,867.67
  6. Step 6: Final answer
    x = 9,426.21

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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.