Home / 11,855.60-16,360.92-6,550.32

Finding the Fourth Proportional to 11,855.60, 16,360.92 and 6,550.32

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Solution

The fourth proportional to 11,855.60, 16,360.92 and 6,550.32 is: 9,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.60 : 16,360.92 = 6,550.32 : x
  2. Step 2: Convert to fraction form
    11,855.60/16,360.92 = 6,550.32/x
  3. Step 3: Cross multiply
    11,855.60x = 16,360.92 × 6,550.32
  4. Step 4: Simplify right side
    11,855.60x = 107,169,261.49
  5. Step 5: Solve for x
    x = 107,169,261.49/11,855.60
  6. Step 6: Final answer
    x = 9,039.55

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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.