Home / 11,326.78-16,990.18-4,305.14

Finding the Fourth Proportional to 11,326.78, 16,990.18 and 4,305.14

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Solution

The fourth proportional to 11,326.78, 16,990.18 and 4,305.14 is: 6,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.78 : 16,990.18 = 4,305.14 : x
  2. Step 2: Convert to fraction form
    11,326.78/16,990.18 = 4,305.14/x
  3. Step 3: Cross multiply
    11,326.78x = 16,990.18 × 4,305.14
  4. Step 4: Simplify right side
    11,326.78x = 73,145,082.00
  5. Step 5: Solve for x
    x = 73,145,082.00/11,326.78
  6. Step 6: Final answer
    x = 6,457.71

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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.