Home / 10,852.21-16,278.19-8,235.78

Finding the Fourth Proportional to 10,852.21, 16,278.19 and 8,235.78

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Solution

The fourth proportional to 10,852.21, 16,278.19 and 8,235.78 is: 12,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.21 : 16,278.19 = 8,235.78 : x
  2. Step 2: Convert to fraction form
    10,852.21/16,278.19 = 8,235.78/x
  3. Step 3: Cross multiply
    10,852.21x = 16,278.19 × 8,235.78
  4. Step 4: Simplify right side
    10,852.21x = 134,063,591.64
  5. Step 5: Solve for x
    x = 134,063,591.64/10,852.21
  6. Step 6: Final answer
    x = 12,353.58

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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.