Home / 10,851.21-16,276.70-8,234.78

Finding the Fourth Proportional to 10,851.21, 16,276.70 and 8,234.78

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Solution

The fourth proportional to 10,851.21, 16,276.70 and 8,234.78 is: 12,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.21 : 16,276.70 = 8,234.78 : x
  2. Step 2: Convert to fraction form
    10,851.21/16,276.70 = 8,234.78/x
  3. Step 3: Cross multiply
    10,851.21x = 16,276.70 × 8,234.78
  4. Step 4: Simplify right side
    10,851.21x = 134,034,921.07
  5. Step 5: Solve for x
    x = 134,034,921.07/10,851.21
  6. Step 6: Final answer
    x = 12,352.07

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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.