Home / 11,319.78-16,996.33-6,331.93

Finding the Fourth Proportional to 11,319.78, 16,996.33 and 6,331.93

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Solution

The fourth proportional to 11,319.78, 16,996.33 and 6,331.93 is: 9,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.78 : 16,996.33 = 6,331.93 : x
  2. Step 2: Convert to fraction form
    11,319.78/16,996.33 = 6,331.93/x
  3. Step 3: Cross multiply
    11,319.78x = 16,996.33 × 6,331.93
  4. Step 4: Simplify right side
    11,319.78x = 107,619,486.84
  5. Step 5: Solve for x
    x = 107,619,486.84/11,319.78
  6. Step 6: Final answer
    x = 9,507.21

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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.