Home / 11,769.60-16,241.46-6,464.28

Finding the Fourth Proportional to 11,769.60, 16,241.46 and 6,464.28

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Solution

The fourth proportional to 11,769.60, 16,241.46 and 6,464.28 is: 8,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.60 : 16,241.46 = 6,464.28 : x
  2. Step 2: Convert to fraction form
    11,769.60/16,241.46 = 6,464.28/x
  3. Step 3: Cross multiply
    11,769.60x = 16,241.46 × 6,464.28
  4. Step 4: Simplify right side
    11,769.60x = 104,989,345.05
  5. Step 5: Solve for x
    x = 104,989,345.05/11,769.60
  6. Step 6: Final answer
    x = 8,920.38

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Similar ratio
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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.