Home / 13,488.94-20,233.41-4,721.82

Finding the Fourth Proportional to 13,488.94, 20,233.41 and 4,721.82

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Solution

The fourth proportional to 13,488.94, 20,233.41 and 4,721.82 is: 7,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.94 : 20,233.41 = 4,721.82 : x
  2. Step 2: Convert to fraction form
    13,488.94/20,233.41 = 4,721.82/x
  3. Step 3: Cross multiply
    13,488.94x = 20,233.41 × 4,721.82
  4. Step 4: Simplify right side
    13,488.94x = 95,538,520.01
  5. Step 5: Solve for x
    x = 95,538,520.01/13,488.94
  6. Step 6: Final answer
    x = 7,082.73

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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.