Home / 13,103.73-19,666.89-6,868.08

Finding the Fourth Proportional to 13,103.73, 19,666.89 and 6,868.08

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Solution

The fourth proportional to 13,103.73, 19,666.89 and 6,868.08 is: 10,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.73 : 19,666.89 = 6,868.08 : x
  2. Step 2: Convert to fraction form
    13,103.73/19,666.89 = 6,868.08/x
  3. Step 3: Cross multiply
    13,103.73x = 19,666.89 × 6,868.08
  4. Step 4: Simplify right side
    13,103.73x = 135,073,773.87
  5. Step 5: Solve for x
    x = 135,073,773.87/13,103.73
  6. Step 6: Final answer
    x = 10,308.04

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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.