Home / 18,141.30-27,215.82-6,454.52

Finding the Fourth Proportional to 18,141.30, 27,215.82 and 6,454.52

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Solution

The fourth proportional to 18,141.30, 27,215.82 and 6,454.52 is: 9,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.30 : 27,215.82 = 6,454.52 : x
  2. Step 2: Convert to fraction form
    18,141.30/27,215.82 = 6,454.52/x
  3. Step 3: Cross multiply
    18,141.30x = 27,215.82 × 6,454.52
  4. Step 4: Simplify right side
    18,141.30x = 175,664,918.43
  5. Step 5: Solve for x
    x = 175,664,918.43/18,141.30
  6. Step 6: Final answer
    x = 9,683.15

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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.