Home / 11,835.28-17,754.50-3,515.40

Finding the Fourth Proportional to 11,835.28, 17,754.50 and 3,515.40

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Solution

The fourth proportional to 11,835.28, 17,754.50 and 3,515.40 is: 5,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.28 : 17,754.50 = 3,515.40 : x
  2. Step 2: Convert to fraction form
    11,835.28/17,754.50 = 3,515.40/x
  3. Step 3: Cross multiply
    11,835.28x = 17,754.50 × 3,515.40
  4. Step 4: Simplify right side
    11,835.28x = 62,414,169.30
  5. Step 5: Solve for x
    x = 62,414,169.30/11,835.28
  6. Step 6: Final answer
    x = 5,273.57

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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.