Home / 13,658.11-20,488.31-3,797.48

Finding the Fourth Proportional to 13,658.11, 20,488.31 and 3,797.48

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Solution

The fourth proportional to 13,658.11, 20,488.31 and 3,797.48 is: 5,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.11 : 20,488.31 = 3,797.48 : x
  2. Step 2: Convert to fraction form
    13,658.11/20,488.31 = 3,797.48/x
  3. Step 3: Cross multiply
    13,658.11x = 20,488.31 × 3,797.48
  4. Step 4: Simplify right side
    13,658.11x = 77,803,826.03
  5. Step 5: Solve for x
    x = 77,803,826.03/13,658.11
  6. Step 6: Final answer
    x = 5,696.53

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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.