Home / 11,845.64-16,346.99-6,810.85

Finding the Fourth Proportional to 11,845.64, 16,346.99 and 6,810.85

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Solution

The fourth proportional to 11,845.64, 16,346.99 and 6,810.85 is: 9,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.64 : 16,346.99 = 6,810.85 : x
  2. Step 2: Convert to fraction form
    11,845.64/16,346.99 = 6,810.85/x
  3. Step 3: Cross multiply
    11,845.64x = 16,346.99 × 6,810.85
  4. Step 4: Simplify right side
    11,845.64x = 111,336,821.92
  5. Step 5: Solve for x
    x = 111,336,821.92/11,845.64
  6. Step 6: Final answer
    x = 9,398.97

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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.