Home / 10,806.60-16,205.04-4,229.40

Finding the Fourth Proportional to 10,806.60, 16,205.04 and 4,229.40

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Solution

The fourth proportional to 10,806.60, 16,205.04 and 4,229.40 is: 6,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.60 : 16,205.04 = 4,229.40 : x
  2. Step 2: Convert to fraction form
    10,806.60/16,205.04 = 4,229.40/x
  3. Step 3: Cross multiply
    10,806.60x = 16,205.04 × 4,229.40
  4. Step 4: Simplify right side
    10,806.60x = 68,537,596.18
  5. Step 5: Solve for x
    x = 68,537,596.18/10,806.60
  6. Step 6: Final answer
    x = 6,342.20

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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.