Home / 12,821.94-19,232.82-6,901.62

Finding the Fourth Proportional to 12,821.94, 19,232.82 and 6,901.62

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Solution

The fourth proportional to 12,821.94, 19,232.82 and 6,901.62 is: 10,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.94 : 19,232.82 = 6,901.62 : x
  2. Step 2: Convert to fraction form
    12,821.94/19,232.82 = 6,901.62/x
  3. Step 3: Cross multiply
    12,821.94x = 19,232.82 × 6,901.62
  4. Step 4: Simplify right side
    12,821.94x = 132,737,615.17
  5. Step 5: Solve for x
    x = 132,737,615.17/12,821.94
  6. Step 6: Final answer
    x = 10,352.38

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Similar ratio
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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.