Home / 11,814.84-17,721.72-3,495.06

Finding the Fourth Proportional to 11,814.84, 17,721.72 and 3,495.06

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Solution

The fourth proportional to 11,814.84, 17,721.72 and 3,495.06 is: 5,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.84 : 17,721.72 = 3,495.06 : x
  2. Step 2: Convert to fraction form
    11,814.84/17,721.72 = 3,495.06/x
  3. Step 3: Cross multiply
    11,814.84x = 17,721.72 × 3,495.06
  4. Step 4: Simplify right side
    11,814.84x = 61,938,474.70
  5. Step 5: Solve for x
    x = 61,938,474.70/11,814.84
  6. Step 6: Final answer
    x = 5,242.43

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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.