Home / 13,862.38-20,793.27-3,866.86

Finding the Fourth Proportional to 13,862.38, 20,793.27 and 3,866.86

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Solution

The fourth proportional to 13,862.38, 20,793.27 and 3,866.86 is: 5,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.38 : 20,793.27 = 3,866.86 : x
  2. Step 2: Convert to fraction form
    13,862.38/20,793.27 = 3,866.86/x
  3. Step 3: Cross multiply
    13,862.38x = 20,793.27 × 3,866.86
  4. Step 4: Simplify right side
    13,862.38x = 80,404,730.38
  5. Step 5: Solve for x
    x = 80,404,730.38/13,862.38
  6. Step 6: Final answer
    x = 5,800.21

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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.