Home / 12,677.41-19,001.49-6,821.72

Finding the Fourth Proportional to 12,677.41, 19,001.49 and 6,821.72

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Solution

The fourth proportional to 12,677.41, 19,001.49 and 6,821.72 is: 10,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.41 : 19,001.49 = 6,821.72 : x
  2. Step 2: Convert to fraction form
    12,677.41/19,001.49 = 6,821.72/x
  3. Step 3: Cross multiply
    12,677.41x = 19,001.49 × 6,821.72
  4. Step 4: Simplify right side
    12,677.41x = 129,622,795.03
  5. Step 5: Solve for x
    x = 129,622,795.03/12,677.41
  6. Step 6: Final answer
    x = 10,224.71

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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.