Home / 14,260.34-21,390.53-3,872.09

Finding the Fourth Proportional to 14,260.34, 21,390.53 and 3,872.09

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Solution

The fourth proportional to 14,260.34, 21,390.53 and 3,872.09 is: 5,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.34 : 21,390.53 = 3,872.09 : x
  2. Step 2: Convert to fraction form
    14,260.34/21,390.53 = 3,872.09/x
  3. Step 3: Cross multiply
    14,260.34x = 21,390.53 × 3,872.09
  4. Step 4: Simplify right side
    14,260.34x = 82,826,091.42
  5. Step 5: Solve for x
    x = 82,826,091.42/14,260.34
  6. Step 6: Final answer
    x = 5,808.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.