Home / 10,115.43-13,964.43-6,340.83

Finding the Fourth Proportional to 10,115.43, 13,964.43 and 6,340.83

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Solution

The fourth proportional to 10,115.43, 13,964.43 and 6,340.83 is: 8,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.43 : 13,964.43 = 6,340.83 : x
  2. Step 2: Convert to fraction form
    10,115.43/13,964.43 = 6,340.83/x
  3. Step 3: Cross multiply
    10,115.43x = 13,964.43 × 6,340.83
  4. Step 4: Simplify right side
    10,115.43x = 88,546,006.85
  5. Step 5: Solve for x
    x = 88,546,006.85/10,115.43
  6. Step 6: Final answer
    x = 8,753.56

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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.