Home / 14,123.34-21,171.22-6,725.82

Finding the Fourth Proportional to 14,123.34, 21,171.22 and 6,725.82

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Solution

The fourth proportional to 14,123.34, 21,171.22 and 6,725.82 is: 10,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.34 : 21,171.22 = 6,725.82 : x
  2. Step 2: Convert to fraction form
    14,123.34/21,171.22 = 6,725.82/x
  3. Step 3: Cross multiply
    14,123.34x = 21,171.22 × 6,725.82
  4. Step 4: Simplify right side
    14,123.34x = 142,393,814.90
  5. Step 5: Solve for x
    x = 142,393,814.90/14,123.34
  6. Step 6: Final answer
    x = 10,082.16

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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.