Home / 13,898.72-20,826.21-10,743.87

Finding the Fourth Proportional to 13,898.72, 20,826.21 and 10,743.87

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Solution

The fourth proportional to 13,898.72, 20,826.21 and 10,743.87 is: 16,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.72 : 20,826.21 = 10,743.87 : x
  2. Step 2: Convert to fraction form
    13,898.72/20,826.21 = 10,743.87/x
  3. Step 3: Cross multiply
    13,898.72x = 20,826.21 × 10,743.87
  4. Step 4: Simplify right side
    13,898.72x = 223,754,092.83
  5. Step 5: Solve for x
    x = 223,754,092.83/13,898.72
  6. Step 6: Final answer
    x = 16,098.91

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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.