Home / 13,123.39-19,687.62-4,241.11

Finding the Fourth Proportional to 13,123.39, 19,687.62 and 4,241.11

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Solution

The fourth proportional to 13,123.39, 19,687.62 and 4,241.11 is: 6,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.39 : 19,687.62 = 4,241.11 : x
  2. Step 2: Convert to fraction form
    13,123.39/19,687.62 = 4,241.11/x
  3. Step 3: Cross multiply
    13,123.39x = 19,687.62 × 4,241.11
  4. Step 4: Simplify right side
    13,123.39x = 83,497,362.06
  5. Step 5: Solve for x
    x = 83,497,362.06/13,123.39
  6. Step 6: Final answer
    x = 6,362.48

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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.