Home / 11,640.45-17,460.64-4,241.89

Finding the Fourth Proportional to 11,640.45, 17,460.64 and 4,241.89

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Solution

The fourth proportional to 11,640.45, 17,460.64 and 4,241.89 is: 6,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.45 : 17,460.64 = 4,241.89 : x
  2. Step 2: Convert to fraction form
    11,640.45/17,460.64 = 4,241.89/x
  3. Step 3: Cross multiply
    11,640.45x = 17,460.64 × 4,241.89
  4. Step 4: Simplify right side
    11,640.45x = 74,066,114.21
  5. Step 5: Solve for x
    x = 74,066,114.21/11,640.45
  6. Step 6: Final answer
    x = 6,362.82

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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.