Home / 19,629.60-29,452.22-7,150.47

Finding the Fourth Proportional to 19,629.60, 29,452.22 and 7,150.47

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Solution

The fourth proportional to 19,629.60, 29,452.22 and 7,150.47 is: 10,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.60 : 29,452.22 = 7,150.47 : x
  2. Step 2: Convert to fraction form
    19,629.60/29,452.22 = 7,150.47/x
  3. Step 3: Cross multiply
    19,629.60x = 29,452.22 × 7,150.47
  4. Step 4: Simplify right side
    19,629.60x = 210,597,179.79
  5. Step 5: Solve for x
    x = 210,597,179.79/19,629.60
  6. Step 6: Final answer
    x = 10,728.55

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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.