Home / 10,964.16-16,446.24-3,945.11

Finding the Fourth Proportional to 10,964.16, 16,446.24 and 3,945.11

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Solution

The fourth proportional to 10,964.16, 16,446.24 and 3,945.11 is: 5,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.16 : 16,446.24 = 3,945.11 : x
  2. Step 2: Convert to fraction form
    10,964.16/16,446.24 = 3,945.11/x
  3. Step 3: Cross multiply
    10,964.16x = 16,446.24 × 3,945.11
  4. Step 4: Simplify right side
    10,964.16x = 64,882,143.66
  5. Step 5: Solve for x
    x = 64,882,143.66/10,964.16
  6. Step 6: Final answer
    x = 5,917.66

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Similar ratio
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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.