Home / 8,103.33-12,142.85-6,251.67

Finding the Fourth Proportional to 8,103.33, 12,142.85 and 6,251.67

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Solution

The fourth proportional to 8,103.33, 12,142.85 and 6,251.67 is: 9,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.33 : 12,142.85 = 6,251.67 : x
  2. Step 2: Convert to fraction form
    8,103.33/12,142.85 = 6,251.67/x
  3. Step 3: Cross multiply
    8,103.33x = 12,142.85 × 6,251.67
  4. Step 4: Simplify right side
    8,103.33x = 75,913,059.80
  5. Step 5: Solve for x
    x = 75,913,059.80/8,103.33
  6. Step 6: Final answer
    x = 9,368.13

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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.