Home / 12,288.60-16,955.46-6,982.92

Finding the Fourth Proportional to 12,288.60, 16,955.46 and 6,982.92

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Solution

The fourth proportional to 12,288.60, 16,955.46 and 6,982.92 is: 9,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.60 : 16,955.46 = 6,982.92 : x
  2. Step 2: Convert to fraction form
    12,288.60/16,955.46 = 6,982.92/x
  3. Step 3: Cross multiply
    12,288.60x = 16,955.46 × 6,982.92
  4. Step 4: Simplify right side
    12,288.60x = 118,398,620.74
  5. Step 5: Solve for x
    x = 118,398,620.74/12,288.60
  6. Step 6: Final answer
    x = 9,634.83

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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.