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Finding the Fourth Proportional to 11,658.08, 17,489.04 and 5,814.88

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Solution

The fourth proportional to 11,658.08, 17,489.04 and 5,814.88 is: 8,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.08 : 17,489.04 = 5,814.88 : x
  2. Step 2: Convert to fraction form
    11,658.08/17,489.04 = 5,814.88/x
  3. Step 3: Cross multiply
    11,658.08x = 17,489.04 × 5,814.88
  4. Step 4: Simplify right side
    11,658.08x = 101,696,668.92
  5. Step 5: Solve for x
    x = 101,696,668.92/11,658.08
  6. Step 6: Final answer
    x = 8,723.28

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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.