Home / 10,829.46-16,227.18-8,370.30

Finding the Fourth Proportional to 10,829.46, 16,227.18 and 8,370.30

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Solution

The fourth proportional to 10,829.46, 16,227.18 and 8,370.30 is: 12,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.46 : 16,227.18 = 8,370.30 : x
  2. Step 2: Convert to fraction form
    10,829.46/16,227.18 = 8,370.30/x
  3. Step 3: Cross multiply
    10,829.46x = 16,227.18 × 8,370.30
  4. Step 4: Simplify right side
    10,829.46x = 135,826,364.75
  5. Step 5: Solve for x
    x = 135,826,364.75/10,829.46
  6. Step 6: Final answer
    x = 12,542.30

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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.