Home / 11,825.10-17,737.65-9,945.90

Finding the Fourth Proportional to 11,825.10, 17,737.65 and 9,945.90

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Solution

The fourth proportional to 11,825.10, 17,737.65 and 9,945.90 is: 14,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.10 : 17,737.65 = 9,945.90 : x
  2. Step 2: Convert to fraction form
    11,825.10/17,737.65 = 9,945.90/x
  3. Step 3: Cross multiply
    11,825.10x = 17,737.65 × 9,945.90
  4. Step 4: Simplify right side
    11,825.10x = 176,416,893.14
  5. Step 5: Solve for x
    x = 176,416,893.14/11,825.10
  6. Step 6: Final answer
    x = 14,918.85

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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.