Home / 11,428.99-17,129.35-6,744.25

Finding the Fourth Proportional to 11,428.99, 17,129.35 and 6,744.25

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Solution

The fourth proportional to 11,428.99, 17,129.35 and 6,744.25 is: 10,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.99 : 17,129.35 = 6,744.25 : x
  2. Step 2: Convert to fraction form
    11,428.99/17,129.35 = 6,744.25/x
  3. Step 3: Cross multiply
    11,428.99x = 17,129.35 × 6,744.25
  4. Step 4: Simplify right side
    11,428.99x = 115,524,618.74
  5. Step 5: Solve for x
    x = 115,524,618.74/11,428.99
  6. Step 6: Final answer
    x = 10,108.03

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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.