Home / 20,596.22-30,886.92-8,750.78

Finding the Fourth Proportional to 20,596.22, 30,886.92 and 8,750.78

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Solution

The fourth proportional to 20,596.22, 30,886.92 and 8,750.78 is: 13,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.22 : 30,886.92 = 8,750.78 : x
  2. Step 2: Convert to fraction form
    20,596.22/30,886.92 = 8,750.78/x
  3. Step 3: Cross multiply
    20,596.22x = 30,886.92 × 8,750.78
  4. Step 4: Simplify right side
    20,596.22x = 270,284,776.93
  5. Step 5: Solve for x
    x = 270,284,776.93/20,596.22
  6. Step 6: Final answer
    x = 13,123.03

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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.