Home / 13,452.48-20,168.64-9,057.60

Finding the Fourth Proportional to 13,452.48, 20,168.64 and 9,057.60

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Solution

The fourth proportional to 13,452.48, 20,168.64 and 9,057.60 is: 13,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.48 : 20,168.64 = 9,057.60 : x
  2. Step 2: Convert to fraction form
    13,452.48/20,168.64 = 9,057.60/x
  3. Step 3: Cross multiply
    13,452.48x = 20,168.64 × 9,057.60
  4. Step 4: Simplify right side
    13,452.48x = 182,679,473.66
  5. Step 5: Solve for x
    x = 182,679,473.66/13,452.48
  6. Step 6: Final answer
    x = 13,579.61

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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.