Home / 15,107.38-20,847.17-8,733.49

Finding the Fourth Proportional to 15,107.38, 20,847.17 and 8,733.49

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Solution

The fourth proportional to 15,107.38, 20,847.17 and 8,733.49 is: 12,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.38 : 20,847.17 = 8,733.49 : x
  2. Step 2: Convert to fraction form
    15,107.38/20,847.17 = 8,733.49/x
  3. Step 3: Cross multiply
    15,107.38x = 20,847.17 × 8,733.49
  4. Step 4: Simplify right side
    15,107.38x = 182,068,520.44
  5. Step 5: Solve for x
    x = 182,068,520.44/15,107.38
  6. Step 6: Final answer
    x = 12,051.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.