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Finding the Fourth Proportional to 11,653.40, 17,480.10 and 6,404.60

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Solution

The fourth proportional to 11,653.40, 17,480.10 and 6,404.60 is: 9,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.40 : 17,480.10 = 6,404.60 : x
  2. Step 2: Convert to fraction form
    11,653.40/17,480.10 = 6,404.60/x
  3. Step 3: Cross multiply
    11,653.40x = 17,480.10 × 6,404.60
  4. Step 4: Simplify right side
    11,653.40x = 111,953,048.46
  5. Step 5: Solve for x
    x = 111,953,048.46/11,653.40
  6. Step 6: Final answer
    x = 9,606.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.