Home / 11,817.24-17,723.16-9,855.42

Finding the Fourth Proportional to 11,817.24, 17,723.16 and 9,855.42

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Solution

The fourth proportional to 11,817.24, 17,723.16 and 9,855.42 is: 14,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.24 : 17,723.16 = 9,855.42 : x
  2. Step 2: Convert to fraction form
    11,817.24/17,723.16 = 9,855.42/x
  3. Step 3: Cross multiply
    11,817.24x = 17,723.16 × 9,855.42
  4. Step 4: Simplify right side
    11,817.24x = 174,669,185.53
  5. Step 5: Solve for x
    x = 174,669,185.53/11,817.24
  6. Step 6: Final answer
    x = 14,780.88

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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.