Home / 11,518.34-17,310.04-6,839.24

Finding the Fourth Proportional to 11,518.34, 17,310.04 and 6,839.24

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Solution

The fourth proportional to 11,518.34, 17,310.04 and 6,839.24 is: 10,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.34 : 17,310.04 = 6,839.24 : x
  2. Step 2: Convert to fraction form
    11,518.34/17,310.04 = 6,839.24/x
  3. Step 3: Cross multiply
    11,518.34x = 17,310.04 × 6,839.24
  4. Step 4: Simplify right side
    11,518.34x = 118,387,414.32
  5. Step 5: Solve for x
    x = 118,387,414.32/11,518.34
  6. Step 6: Final answer
    x = 10,278.17

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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.