Home / 11,690.30-17,523.75-4,667.78

Finding the Fourth Proportional to 11,690.30, 17,523.75 and 4,667.78

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Solution

The fourth proportional to 11,690.30, 17,523.75 and 4,667.78 is: 6,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.30 : 17,523.75 = 4,667.78 : x
  2. Step 2: Convert to fraction form
    11,690.30/17,523.75 = 4,667.78/x
  3. Step 3: Cross multiply
    11,690.30x = 17,523.75 × 4,667.78
  4. Step 4: Simplify right side
    11,690.30x = 81,797,009.78
  5. Step 5: Solve for x
    x = 81,797,009.78/11,690.30
  6. Step 6: Final answer
    x = 6,997.00

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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.