Home / 13,197.42-19,778.88-10,065.96

Finding the Fourth Proportional to 13,197.42, 19,778.88 and 10,065.96

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Solution

The fourth proportional to 13,197.42, 19,778.88 and 10,065.96 is: 15,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.42 : 19,778.88 = 10,065.96 : x
  2. Step 2: Convert to fraction form
    13,197.42/19,778.88 = 10,065.96/x
  3. Step 3: Cross multiply
    13,197.42x = 19,778.88 × 10,065.96
  4. Step 4: Simplify right side
    13,197.42x = 199,093,414.92
  5. Step 5: Solve for x
    x = 199,093,414.92/13,197.42
  6. Step 6: Final answer
    x = 15,085.78

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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.