Home / 11,687.04-17,538.24-4,291.57

Finding the Fourth Proportional to 11,687.04, 17,538.24 and 4,291.57

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Solution

The fourth proportional to 11,687.04, 17,538.24 and 4,291.57 is: 6,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.04 : 17,538.24 = 4,291.57 : x
  2. Step 2: Convert to fraction form
    11,687.04/17,538.24 = 4,291.57/x
  3. Step 3: Cross multiply
    11,687.04x = 17,538.24 × 4,291.57
  4. Step 4: Simplify right side
    11,687.04x = 75,266,584.64
  5. Step 5: Solve for x
    x = 75,266,584.64/11,687.04
  6. Step 6: Final answer
    x = 6,440.18

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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.