Home / 11,046.40-16,569.60-6,661.60

Finding the Fourth Proportional to 11,046.40, 16,569.60 and 6,661.60

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Solution

The fourth proportional to 11,046.40, 16,569.60 and 6,661.60 is: 9,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,046.40 : 16,569.60 = 6,661.60 : x
  2. Step 2: Convert to fraction form
    11,046.40/16,569.60 = 6,661.60/x
  3. Step 3: Cross multiply
    11,046.40x = 16,569.60 × 6,661.60
  4. Step 4: Simplify right side
    11,046.40x = 110,380,047.36
  5. Step 5: Solve for x
    x = 110,380,047.36/11,046.40
  6. Step 6: Final answer
    x = 9,992.40

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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.