Home / 13,103.42-19,654.68-4,338.26

Finding the Fourth Proportional to 13,103.42, 19,654.68 and 4,338.26

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Solution

The fourth proportional to 13,103.42, 19,654.68 and 4,338.26 is: 6,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.42 : 19,654.68 = 4,338.26 : x
  2. Step 2: Convert to fraction form
    13,103.42/19,654.68 = 4,338.26/x
  3. Step 3: Cross multiply
    13,103.42x = 19,654.68 × 4,338.26
  4. Step 4: Simplify right side
    13,103.42x = 85,267,067.15
  5. Step 5: Solve for x
    x = 85,267,067.15/13,103.42
  6. Step 6: Final answer
    x = 6,507.24

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1.5x scale

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.