Home / 11,385.56-17,078.40-6,754.52

Finding the Fourth Proportional to 11,385.56, 17,078.40 and 6,754.52

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Solution

The fourth proportional to 11,385.56, 17,078.40 and 6,754.52 is: 10,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.56 : 17,078.40 = 6,754.52 : x
  2. Step 2: Convert to fraction form
    11,385.56/17,078.40 = 6,754.52/x
  3. Step 3: Cross multiply
    11,385.56x = 17,078.40 × 6,754.52
  4. Step 4: Simplify right side
    11,385.56x = 115,356,394.37
  5. Step 5: Solve for x
    x = 115,356,394.37/11,385.56
  6. Step 6: Final answer
    x = 10,131.82

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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.