Home / 11,449.20-17,157.60-7,053.60

Finding the Fourth Proportional to 11,449.20, 17,157.60 and 7,053.60

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Solution

The fourth proportional to 11,449.20, 17,157.60 and 7,053.60 is: 10,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.20 : 17,157.60 = 7,053.60 : x
  2. Step 2: Convert to fraction form
    11,449.20/17,157.60 = 7,053.60/x
  3. Step 3: Cross multiply
    11,449.20x = 17,157.60 × 7,053.60
  4. Step 4: Simplify right side
    11,449.20x = 121,022,847.36
  5. Step 5: Solve for x
    x = 121,022,847.36/11,449.20
  6. Step 6: Final answer
    x = 10,570.42

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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.