Home / 12,454.45-18,687.17-6,529.92

Finding the Fourth Proportional to 12,454.45, 18,687.17 and 6,529.92

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Solution

The fourth proportional to 12,454.45, 18,687.17 and 6,529.92 is: 9,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.45 : 18,687.17 = 6,529.92 : x
  2. Step 2: Convert to fraction form
    12,454.45/18,687.17 = 6,529.92/x
  3. Step 3: Cross multiply
    12,454.45x = 18,687.17 × 6,529.92
  4. Step 4: Simplify right side
    12,454.45x = 122,025,631.69
  5. Step 5: Solve for x
    x = 122,025,631.69/12,454.45
  6. Step 6: Final answer
    x = 9,797.76

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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.