Home / 12,811.73-19,195.72-6,957.86

Finding the Fourth Proportional to 12,811.73, 19,195.72 and 6,957.86

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Solution

The fourth proportional to 12,811.73, 19,195.72 and 6,957.86 is: 10,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.73 : 19,195.72 = 6,957.86 : x
  2. Step 2: Convert to fraction form
    12,811.73/19,195.72 = 6,957.86/x
  3. Step 3: Cross multiply
    12,811.73x = 19,195.72 × 6,957.86
  4. Step 4: Simplify right side
    12,811.73x = 133,561,117.06
  5. Step 5: Solve for x
    x = 133,561,117.06/12,811.73
  6. Step 6: Final answer
    x = 10,424.91

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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.