Home / 8,351.19-12,515.94-6,254.73

Finding the Fourth Proportional to 8,351.19, 12,515.94 and 6,254.73

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Solution

The fourth proportional to 8,351.19, 12,515.94 and 6,254.73 is: 9,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.19 : 12,515.94 = 6,254.73 : x
  2. Step 2: Convert to fraction form
    8,351.19/12,515.94 = 6,254.73/x
  3. Step 3: Cross multiply
    8,351.19x = 12,515.94 × 6,254.73
  4. Step 4: Simplify right side
    8,351.19x = 78,283,825.40
  5. Step 5: Solve for x
    x = 78,283,825.40/8,351.19
  6. Step 6: Final answer
    x = 9,373.97

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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.