Home / 12,562.20-17,335.50-6,896.88

Finding the Fourth Proportional to 12,562.20, 17,335.50 and 6,896.88

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Solution

The fourth proportional to 12,562.20, 17,335.50 and 6,896.88 is: 9,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.20 : 17,335.50 = 6,896.88 : x
  2. Step 2: Convert to fraction form
    12,562.20/17,335.50 = 6,896.88/x
  3. Step 3: Cross multiply
    12,562.20x = 17,335.50 × 6,896.88
  4. Step 4: Simplify right side
    12,562.20x = 119,560,863.24
  5. Step 5: Solve for x
    x = 119,560,863.24/12,562.20
  6. Step 6: Final answer
    x = 9,517.51

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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.