Home / 18,650.51-27,976.54-5,502.89

Finding the Fourth Proportional to 18,650.51, 27,976.54 and 5,502.89

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Solution

The fourth proportional to 18,650.51, 27,976.54 and 5,502.89 is: 8,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.51 : 27,976.54 = 5,502.89 : x
  2. Step 2: Convert to fraction form
    18,650.51/27,976.54 = 5,502.89/x
  3. Step 3: Cross multiply
    18,650.51x = 27,976.54 × 5,502.89
  4. Step 4: Simplify right side
    18,650.51x = 153,951,731.33
  5. Step 5: Solve for x
    x = 153,951,731.33/18,650.51
  6. Step 6: Final answer
    x = 8,254.56

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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.