Home / 11,855.64-16,360.58-6,550.68

Finding the Fourth Proportional to 11,855.64, 16,360.58 and 6,550.68

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Solution

The fourth proportional to 11,855.64, 16,360.58 and 6,550.68 is: 9,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.64 : 16,360.58 = 6,550.68 : x
  2. Step 2: Convert to fraction form
    11,855.64/16,360.58 = 6,550.68/x
  3. Step 3: Cross multiply
    11,855.64x = 16,360.58 × 6,550.68
  4. Step 4: Simplify right side
    11,855.64x = 107,172,924.19
  5. Step 5: Solve for x
    x = 107,172,924.19/11,855.64
  6. Step 6: Final answer
    x = 9,039.83

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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.