Home / 10,662.30-15,993.40-3,266.80

Finding the Fourth Proportional to 10,662.30, 15,993.40 and 3,266.80

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Solution

The fourth proportional to 10,662.30, 15,993.40 and 3,266.80 is: 4,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.30 : 15,993.40 = 3,266.80 : x
  2. Step 2: Convert to fraction form
    10,662.30/15,993.40 = 3,266.80/x
  3. Step 3: Cross multiply
    10,662.30x = 15,993.40 × 3,266.80
  4. Step 4: Simplify right side
    10,662.30x = 52,247,239.12
  5. Step 5: Solve for x
    x = 52,247,239.12/10,662.30
  6. Step 6: Final answer
    x = 4,900.18

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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.