Home / 12,958.72-19,439.04-3,725.44

Finding the Fourth Proportional to 12,958.72, 19,439.04 and 3,725.44

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Solution

The fourth proportional to 12,958.72, 19,439.04 and 3,725.44 is: 5,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.72 : 19,439.04 = 3,725.44 : x
  2. Step 2: Convert to fraction form
    12,958.72/19,439.04 = 3,725.44/x
  3. Step 3: Cross multiply
    12,958.72x = 19,439.04 × 3,725.44
  4. Step 4: Simplify right side
    12,958.72x = 72,418,977.18
  5. Step 5: Solve for x
    x = 72,418,977.18/12,958.72
  6. Step 6: Final answer
    x = 5,588.44

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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.