Home / 11,349.20-17,023.80-7,662.80

Finding the Fourth Proportional to 11,349.20, 17,023.80 and 7,662.80

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Solution

The fourth proportional to 11,349.20, 17,023.80 and 7,662.80 is: 11,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.20 : 17,023.80 = 7,662.80 : x
  2. Step 2: Convert to fraction form
    11,349.20/17,023.80 = 7,662.80/x
  3. Step 3: Cross multiply
    11,349.20x = 17,023.80 × 7,662.80
  4. Step 4: Simplify right side
    11,349.20x = 130,449,974.64
  5. Step 5: Solve for x
    x = 130,449,974.64/11,349.20
  6. Step 6: Final answer
    x = 11,494.20

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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.