Home / 13,865.92-20,801.40-6,369.94

Finding the Fourth Proportional to 13,865.92, 20,801.40 and 6,369.94

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Solution

The fourth proportional to 13,865.92, 20,801.40 and 6,369.94 is: 9,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.92 : 20,801.40 = 6,369.94 : x
  2. Step 2: Convert to fraction form
    13,865.92/20,801.40 = 6,369.94/x
  3. Step 3: Cross multiply
    13,865.92x = 20,801.40 × 6,369.94
  4. Step 4: Simplify right side
    13,865.92x = 132,503,669.92
  5. Step 5: Solve for x
    x = 132,503,669.92/13,865.92
  6. Step 6: Final answer
    x = 9,556.07

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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.