Home / 11,674.56-16,111.12-6,369.44

Finding the Fourth Proportional to 11,674.56, 16,111.12 and 6,369.44

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Solution

The fourth proportional to 11,674.56, 16,111.12 and 6,369.44 is: 8,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.56 : 16,111.12 = 6,369.44 : x
  2. Step 2: Convert to fraction form
    11,674.56/16,111.12 = 6,369.44/x
  3. Step 3: Cross multiply
    11,674.56x = 16,111.12 × 6,369.44
  4. Step 4: Simplify right side
    11,674.56x = 102,618,812.17
  5. Step 5: Solve for x
    x = 102,618,812.17/11,674.56
  6. Step 6: Final answer
    x = 8,789.95

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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.