Home / 10,806.60-16,209.82-4,228.14

Finding the Fourth Proportional to 10,806.60, 16,209.82 and 4,228.14

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Solution

The fourth proportional to 10,806.60, 16,209.82 and 4,228.14 is: 6,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.60 : 16,209.82 = 4,228.14 : x
  2. Step 2: Convert to fraction form
    10,806.60/16,209.82 = 4,228.14/x
  3. Step 3: Cross multiply
    10,806.60x = 16,209.82 × 4,228.14
  4. Step 4: Simplify right side
    10,806.60x = 68,537,388.33
  5. Step 5: Solve for x
    x = 68,537,388.33/10,806.60
  6. Step 6: Final answer
    x = 6,342.18

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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.