Home / 8,236.72-12,340.50-6,841.90

Finding the Fourth Proportional to 8,236.72, 12,340.50 and 6,841.90

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Solution

The fourth proportional to 8,236.72, 12,340.50 and 6,841.90 is: 10,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.72 : 12,340.50 = 6,841.90 : x
  2. Step 2: Convert to fraction form
    8,236.72/12,340.50 = 6,841.90/x
  3. Step 3: Cross multiply
    8,236.72x = 12,340.50 × 6,841.90
  4. Step 4: Simplify right side
    8,236.72x = 84,432,466.95
  5. Step 5: Solve for x
    x = 84,432,466.95/8,236.72
  6. Step 6: Final answer
    x = 10,250.74

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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.