Home / 18,592.12-27,889.62-4,741

Finding the Fourth Proportional to 18,592.12, 27,889.62 and 4,741

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Solution

The fourth proportional to 18,592.12, 27,889.62 and 4,741 is: 7,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.12 : 27,889.62 = 4,741 : x
  2. Step 2: Convert to fraction form
    18,592.12/27,889.62 = 4,741/x
  3. Step 3: Cross multiply
    18,592.12x = 27,889.62 × 4,741
  4. Step 4: Simplify right side
    18,592.12x = 132,224,688.42
  5. Step 5: Solve for x
    x = 132,224,688.42/18,592.12
  6. Step 6: Final answer
    x = 7,111.87

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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.