Home / 11,744.96-16,208.12-6,439.84

Finding the Fourth Proportional to 11,744.96, 16,208.12 and 6,439.84

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Solution

The fourth proportional to 11,744.96, 16,208.12 and 6,439.84 is: 8,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.96 : 16,208.12 = 6,439.84 : x
  2. Step 2: Convert to fraction form
    11,744.96/16,208.12 = 6,439.84/x
  3. Step 3: Cross multiply
    11,744.96x = 16,208.12 × 6,439.84
  4. Step 4: Simplify right side
    11,744.96x = 104,377,699.50
  5. Step 5: Solve for x
    x = 104,377,699.50/11,744.96
  6. Step 6: Final answer
    x = 8,887.02

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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.