Home / 11,765.50-16,235.58-6,459.22

Finding the Fourth Proportional to 11,765.50, 16,235.58 and 6,459.22

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Solution

The fourth proportional to 11,765.50, 16,235.58 and 6,459.22 is: 8,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.50 : 16,235.58 = 6,459.22 : x
  2. Step 2: Convert to fraction form
    11,765.50/16,235.58 = 6,459.22/x
  3. Step 3: Cross multiply
    11,765.50x = 16,235.58 × 6,459.22
  4. Step 4: Simplify right side
    11,765.50x = 104,869,183.05
  5. Step 5: Solve for x
    x = 104,869,183.05/11,765.50
  6. Step 6: Final answer
    x = 8,913.28

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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.