Home / 11,768.16-16,240.80-6,463.44

Finding the Fourth Proportional to 11,768.16, 16,240.80 and 6,463.44

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Solution

The fourth proportional to 11,768.16, 16,240.80 and 6,463.44 is: 8,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.16 : 16,240.80 = 6,463.44 : x
  2. Step 2: Convert to fraction form
    11,768.16/16,240.80 = 6,463.44/x
  3. Step 3: Cross multiply
    11,768.16x = 16,240.80 × 6,463.44
  4. Step 4: Simplify right side
    11,768.16x = 104,971,436.35
  5. Step 5: Solve for x
    x = 104,971,436.35/11,768.16
  6. Step 6: Final answer
    x = 8,919.95

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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.