Home / 11,765.94-16,236.36-6,459.90

Finding the Fourth Proportional to 11,765.94, 16,236.36 and 6,459.90

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Solution

The fourth proportional to 11,765.94, 16,236.36 and 6,459.90 is: 8,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.94 : 16,236.36 = 6,459.90 : x
  2. Step 2: Convert to fraction form
    11,765.94/16,236.36 = 6,459.90/x
  3. Step 3: Cross multiply
    11,765.94x = 16,236.36 × 6,459.90
  4. Step 4: Simplify right side
    11,765.94x = 104,885,261.96
  5. Step 5: Solve for x
    x = 104,885,261.96/11,765.94
  6. Step 6: Final answer
    x = 8,914.31

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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.