Home / 11,365.20-17,028.60-9,406.80

Finding the Fourth Proportional to 11,365.20, 17,028.60 and 9,406.80

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Solution

The fourth proportional to 11,365.20, 17,028.60 and 9,406.80 is: 14,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.20 : 17,028.60 = 9,406.80 : x
  2. Step 2: Convert to fraction form
    11,365.20/17,028.60 = 9,406.80/x
  3. Step 3: Cross multiply
    11,365.20x = 17,028.60 × 9,406.80
  4. Step 4: Simplify right side
    11,365.20x = 160,184,634.48
  5. Step 5: Solve for x
    x = 160,184,634.48/11,365.20
  6. Step 6: Final answer
    x = 14,094.31

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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.