Home / 18,123.24-27,181.62-4,973.88

Finding the Fourth Proportional to 18,123.24, 27,181.62 and 4,973.88

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Solution

The fourth proportional to 18,123.24, 27,181.62 and 4,973.88 is: 7,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.24 : 27,181.62 = 4,973.88 : x
  2. Step 2: Convert to fraction form
    18,123.24/27,181.62 = 4,973.88/x
  3. Step 3: Cross multiply
    18,123.24x = 27,181.62 × 4,973.88
  4. Step 4: Simplify right side
    18,123.24x = 135,198,116.09
  5. Step 5: Solve for x
    x = 135,198,116.09/18,123.24
  6. Step 6: Final answer
    x = 7,459.93

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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.