Home / 18,342.79-27,462.04-12,083.92

Finding the Fourth Proportional to 18,342.79, 27,462.04 and 12,083.92

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Solution

The fourth proportional to 18,342.79, 27,462.04 and 12,083.92 is: 18,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.79 : 27,462.04 = 12,083.92 : x
  2. Step 2: Convert to fraction form
    18,342.79/27,462.04 = 12,083.92/x
  3. Step 3: Cross multiply
    18,342.79x = 27,462.04 × 12,083.92
  4. Step 4: Simplify right side
    18,342.79x = 331,848,995.53
  5. Step 5: Solve for x
    x = 331,848,995.53/18,342.79
  6. Step 6: Final answer
    x = 18,091.52

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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.