Home / 12,512.88-17,267.84-6,847.69

Finding the Fourth Proportional to 12,512.88, 17,267.84 and 6,847.69

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Solution

The fourth proportional to 12,512.88, 17,267.84 and 6,847.69 is: 9,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.88 : 17,267.84 = 6,847.69 : x
  2. Step 2: Convert to fraction form
    12,512.88/17,267.84 = 6,847.69/x
  3. Step 3: Cross multiply
    12,512.88x = 17,267.84 × 6,847.69
  4. Step 4: Simplify right side
    12,512.88x = 118,244,815.29
  5. Step 5: Solve for x
    x = 118,244,815.29/12,512.88
  6. Step 6: Final answer
    x = 9,449.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.