Home / 11,941.80-17,918.64-9,037.92

Finding the Fourth Proportional to 11,941.80, 17,918.64 and 9,037.92

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Solution

The fourth proportional to 11,941.80, 17,918.64 and 9,037.92 is: 13,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.80 : 17,918.64 = 9,037.92 : x
  2. Step 2: Convert to fraction form
    11,941.80/17,918.64 = 9,037.92/x
  3. Step 3: Cross multiply
    11,941.80x = 17,918.64 × 9,037.92
  4. Step 4: Simplify right side
    11,941.80x = 161,947,234.83
  5. Step 5: Solve for x
    x = 161,947,234.83/11,941.80
  6. Step 6: Final answer
    x = 13,561.38

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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.