Home / 21,686.28-32,529.42-6,103.86

Finding the Fourth Proportional to 21,686.28, 32,529.42 and 6,103.86

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Solution

The fourth proportional to 21,686.28, 32,529.42 and 6,103.86 is: 9,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.28 : 32,529.42 = 6,103.86 : x
  2. Step 2: Convert to fraction form
    21,686.28/32,529.42 = 6,103.86/x
  3. Step 3: Cross multiply
    21,686.28x = 32,529.42 × 6,103.86
  4. Step 4: Simplify right side
    21,686.28x = 198,555,025.56
  5. Step 5: Solve for x
    x = 198,555,025.56/21,686.28
  6. Step 6: Final answer
    x = 9,155.79

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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.