Home / 12,965.97-19,452.03-4,200.87

Finding the Fourth Proportional to 12,965.97, 19,452.03 and 4,200.87

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Solution

The fourth proportional to 12,965.97, 19,452.03 and 4,200.87 is: 6,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.97 : 19,452.03 = 4,200.87 : x
  2. Step 2: Convert to fraction form
    12,965.97/19,452.03 = 4,200.87/x
  3. Step 3: Cross multiply
    12,965.97x = 19,452.03 × 4,200.87
  4. Step 4: Simplify right side
    12,965.97x = 81,715,449.27
  5. Step 5: Solve for x
    x = 81,715,449.27/12,965.97
  6. Step 6: Final answer
    x = 6,302.30

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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.