Home / 8,679.15-13,025.07-6,481.17

Finding the Fourth Proportional to 8,679.15, 13,025.07 and 6,481.17

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Solution

The fourth proportional to 8,679.15, 13,025.07 and 6,481.17 is: 9,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.15 : 13,025.07 = 6,481.17 : x
  2. Step 2: Convert to fraction form
    8,679.15/13,025.07 = 6,481.17/x
  3. Step 3: Cross multiply
    8,679.15x = 13,025.07 × 6,481.17
  4. Step 4: Simplify right side
    8,679.15x = 84,417,692.93
  5. Step 5: Solve for x
    x = 84,417,692.93/8,679.15
  6. Step 6: Final answer
    x = 9,726.49

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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.