Home / 12,925.44-19,391.98-4,160.14

Finding the Fourth Proportional to 12,925.44, 19,391.98 and 4,160.14

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Solution

The fourth proportional to 12,925.44, 19,391.98 and 4,160.14 is: 6,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.44 : 19,391.98 = 4,160.14 : x
  2. Step 2: Convert to fraction form
    12,925.44/19,391.98 = 4,160.14/x
  3. Step 3: Cross multiply
    12,925.44x = 19,391.98 × 4,160.14
  4. Step 4: Simplify right side
    12,925.44x = 80,673,351.68
  5. Step 5: Solve for x
    x = 80,673,351.68/12,925.44
  6. Step 6: Final answer
    x = 6,241.44

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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.