Home / 15,982.31-23,977.11-4,889.87

Finding the Fourth Proportional to 15,982.31, 23,977.11 and 4,889.87

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Solution

The fourth proportional to 15,982.31, 23,977.11 and 4,889.87 is: 7,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.31 : 23,977.11 = 4,889.87 : x
  2. Step 2: Convert to fraction form
    15,982.31/23,977.11 = 4,889.87/x
  3. Step 3: Cross multiply
    15,982.31x = 23,977.11 × 4,889.87
  4. Step 4: Simplify right side
    15,982.31x = 117,244,939.24
  5. Step 5: Solve for x
    x = 117,244,939.24/15,982.31
  6. Step 6: Final answer
    x = 7,335.92

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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.