Home / 11,768.28-16,240.28-6,463.20

Finding the Fourth Proportional to 11,768.28, 16,240.28 and 6,463.20

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Solution

The fourth proportional to 11,768.28, 16,240.28 and 6,463.20 is: 8,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.28 : 16,240.28 = 6,463.20 : x
  2. Step 2: Convert to fraction form
    11,768.28/16,240.28 = 6,463.20/x
  3. Step 3: Cross multiply
    11,768.28x = 16,240.28 × 6,463.20
  4. Step 4: Simplify right side
    11,768.28x = 104,964,145.38
  5. Step 5: Solve for x
    x = 104,964,145.38/11,768.28
  6. Step 6: Final answer
    x = 8,919.24

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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.