Home / 18,108.84-27,160.35-4,958.14

Finding the Fourth Proportional to 18,108.84, 27,160.35 and 4,958.14

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Solution

The fourth proportional to 18,108.84, 27,160.35 and 4,958.14 is: 7,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.84 : 27,160.35 = 4,958.14 : x
  2. Step 2: Convert to fraction form
    18,108.84/27,160.35 = 4,958.14/x
  3. Step 3: Cross multiply
    18,108.84x = 27,160.35 × 4,958.14
  4. Step 4: Simplify right side
    18,108.84x = 134,664,705.79
  5. Step 5: Solve for x
    x = 134,664,705.79/18,108.84
  6. Step 6: Final answer
    x = 7,436.41

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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.