Home / 10,806.60-16,246.35-9,202.80

Finding the Fourth Proportional to 10,806.60, 16,246.35 and 9,202.80

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Solution

The fourth proportional to 10,806.60, 16,246.35 and 9,202.80 is: 13,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.60 : 16,246.35 = 9,202.80 : x
  2. Step 2: Convert to fraction form
    10,806.60/16,246.35 = 9,202.80/x
  3. Step 3: Cross multiply
    10,806.60x = 16,246.35 × 9,202.80
  4. Step 4: Simplify right side
    10,806.60x = 149,511,909.78
  5. Step 5: Solve for x
    x = 149,511,909.78/10,806.60
  6. Step 6: Final answer
    x = 13,835.24

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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.