Home / 11,817.18-17,736.72-5,977.92

Finding the Fourth Proportional to 11,817.18, 17,736.72 and 5,977.92

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Solution

The fourth proportional to 11,817.18, 17,736.72 and 5,977.92 is: 8,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.18 : 17,736.72 = 5,977.92 : x
  2. Step 2: Convert to fraction form
    11,817.18/17,736.72 = 5,977.92/x
  3. Step 3: Cross multiply
    11,817.18x = 17,736.72 × 5,977.92
  4. Step 4: Simplify right side
    11,817.18x = 106,028,693.22
  5. Step 5: Solve for x
    x = 106,028,693.22/11,817.18
  6. Step 6: Final answer
    x = 8,972.42

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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.