Home / 12,785.82-19,166.32-6,548.77

Finding the Fourth Proportional to 12,785.82, 19,166.32 and 6,548.77

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Solution

The fourth proportional to 12,785.82, 19,166.32 and 6,548.77 is: 9,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.82 : 19,166.32 = 6,548.77 : x
  2. Step 2: Convert to fraction form
    12,785.82/19,166.32 = 6,548.77/x
  3. Step 3: Cross multiply
    12,785.82x = 19,166.32 × 6,548.77
  4. Step 4: Simplify right side
    12,785.82x = 125,515,821.43
  5. Step 5: Solve for x
    x = 125,515,821.43/12,785.82
  6. Step 6: Final answer
    x = 9,816.80

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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.