Home / 11,768.32-16,241.34-6,464.26

Finding the Fourth Proportional to 11,768.32, 16,241.34 and 6,464.26

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Solution

The fourth proportional to 11,768.32, 16,241.34 and 6,464.26 is: 8,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.32 : 16,241.34 = 6,464.26 : x
  2. Step 2: Convert to fraction form
    11,768.32/16,241.34 = 6,464.26/x
  3. Step 3: Cross multiply
    11,768.32x = 16,241.34 × 6,464.26
  4. Step 4: Simplify right side
    11,768.32x = 104,988,244.51
  5. Step 5: Solve for x
    x = 104,988,244.51/11,768.32
  6. Step 6: Final answer
    x = 8,921.26

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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.