Home / 21,604.20-32,406.30-6,817.65

Finding the Fourth Proportional to 21,604.20, 32,406.30 and 6,817.65

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Solution

The fourth proportional to 21,604.20, 32,406.30 and 6,817.65 is: 10,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.20 : 32,406.30 = 6,817.65 : x
  2. Step 2: Convert to fraction form
    21,604.20/32,406.30 = 6,817.65/x
  3. Step 3: Cross multiply
    21,604.20x = 32,406.30 × 6,817.65
  4. Step 4: Simplify right side
    21,604.20x = 220,934,811.20
  5. Step 5: Solve for x
    x = 220,934,811.20/21,604.20
  6. Step 6: Final answer
    x = 10,226.48

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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.