Home / 11,429.49-17,130.10-6,744.75

Finding the Fourth Proportional to 11,429.49, 17,130.10 and 6,744.75

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Solution

The fourth proportional to 11,429.49, 17,130.10 and 6,744.75 is: 10,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.49 : 17,130.10 = 6,744.75 : x
  2. Step 2: Convert to fraction form
    11,429.49/17,130.10 = 6,744.75/x
  3. Step 3: Cross multiply
    11,429.49x = 17,130.10 × 6,744.75
  4. Step 4: Simplify right side
    11,429.49x = 115,538,241.98
  5. Step 5: Solve for x
    x = 115,538,241.98/11,429.49
  6. Step 6: Final answer
    x = 10,108.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.