Home / 14,098.31-21,145.78-3,710.87

Finding the Fourth Proportional to 14,098.31, 21,145.78 and 3,710.87

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Solution

The fourth proportional to 14,098.31, 21,145.78 and 3,710.87 is: 5,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.31 : 21,145.78 = 3,710.87 : x
  2. Step 2: Convert to fraction form
    14,098.31/21,145.78 = 3,710.87/x
  3. Step 3: Cross multiply
    14,098.31x = 21,145.78 × 3,710.87
  4. Step 4: Simplify right side
    14,098.31x = 78,469,240.63
  5. Step 5: Solve for x
    x = 78,469,240.63/14,098.31
  6. Step 6: Final answer
    x = 5,565.86

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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.