Home / 11,767.83-16,217.70-7,991.15

Finding the Fourth Proportional to 11,767.83, 16,217.70 and 7,991.15

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Solution

The fourth proportional to 11,767.83, 16,217.70 and 7,991.15 is: 11,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.83 : 16,217.70 = 7,991.15 : x
  2. Step 2: Convert to fraction form
    11,767.83/16,217.70 = 7,991.15/x
  3. Step 3: Cross multiply
    11,767.83x = 16,217.70 × 7,991.15
  4. Step 4: Simplify right side
    11,767.83x = 129,598,159.83
  5. Step 5: Solve for x
    x = 129,598,159.83/11,767.83
  6. Step 6: Final answer
    x = 11,012.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.