Home / 11,158.94-16,728.80-6,414.10

Finding the Fourth Proportional to 11,158.94, 16,728.80 and 6,414.10

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Solution

The fourth proportional to 11,158.94, 16,728.80 and 6,414.10 is: 9,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.94 : 16,728.80 = 6,414.10 : x
  2. Step 2: Convert to fraction form
    11,158.94/16,728.80 = 6,414.10/x
  3. Step 3: Cross multiply
    11,158.94x = 16,728.80 × 6,414.10
  4. Step 4: Simplify right side
    11,158.94x = 107,300,122.19
  5. Step 5: Solve for x
    x = 107,300,122.19/11,158.94
  6. Step 6: Final answer
    x = 9,615.62

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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.