Home / 11,983.34-17,964.08-4,187.90

Finding the Fourth Proportional to 11,983.34, 17,964.08 and 4,187.90

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Solution

The fourth proportional to 11,983.34, 17,964.08 and 4,187.90 is: 6,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.34 : 17,964.08 = 4,187.90 : x
  2. Step 2: Convert to fraction form
    11,983.34/17,964.08 = 4,187.90/x
  3. Step 3: Cross multiply
    11,983.34x = 17,964.08 × 4,187.90
  4. Step 4: Simplify right side
    11,983.34x = 75,231,810.31
  5. Step 5: Solve for x
    x = 75,231,810.31/11,983.34
  6. Step 6: Final answer
    x = 6,278.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.