Home / 11,057.45-15,262.49-6,752.09

Finding the Fourth Proportional to 11,057.45, 15,262.49 and 6,752.09

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Solution

The fourth proportional to 11,057.45, 15,262.49 and 6,752.09 is: 9,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.45 : 15,262.49 = 6,752.09 : x
  2. Step 2: Convert to fraction form
    11,057.45/15,262.49 = 6,752.09/x
  3. Step 3: Cross multiply
    11,057.45x = 15,262.49 × 6,752.09
  4. Step 4: Simplify right side
    11,057.45x = 103,053,761.14
  5. Step 5: Solve for x
    x = 103,053,761.14/11,057.45
  6. Step 6: Final answer
    x = 9,319.85

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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.